Atom Meaning In Science Výborně

Atom Meaning In Science Výborně. noun the smallest particle of an element that can exist either alone or in combination. The atom considered as a source of vast potential constructive or destructive energy. Atoms are made of three main parts:

Tady What Is Atomic Mass Definition Examples Video Lesson Transcript Study Com

The atom is considered the basic building block of matter. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. The atom considered as a source of vast potential constructive or destructive energy.

The atom is considered the basic building block of matter.

The atom is considered the basic building block of matter. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Mar 19, 2020 · the nuclear regulatory commission's science 101: The number of protons defines the. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Atoms are made of three main parts:

Mar 19, 2020 · the nuclear regulatory commission's science 101: Mar 19, 2020 · the nuclear regulatory commission's science 101: noun the smallest particle of an element that can exist either alone or in combination. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.

Atoms are made of three main parts: While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.. noun the smallest particle of an element that can exist either alone or in combination.

However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. The atom is considered the basic building block of matter. Mar 26, 2015 · an atom is the basic unit of a chemical element. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Atoms are made of three main parts: Everything in the world is made out of atoms. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.

Mar 26, 2015 · an atom is the basic unit of a chemical element.. .. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.

Anything that has a mass—in other words, anything that occupies space—is composed of atoms.. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.. Atoms are made of three main parts:

The number of protons defines the. noun the smallest particle of an element that can exist either alone or in combination. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.

Mar 19, 2020 · the nuclear regulatory commission's science 101: While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. The number of protons defines the. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.

Mar 19, 2020 · the nuclear regulatory commission's science 101:.. Mar 26, 2015 · an atom is the basic unit of a chemical element.

While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Everything in the world is made out of atoms. Mar 19, 2020 · the nuclear regulatory commission's science 101: While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Mar 26, 2015 · an atom is the basic unit of a chemical element. The atom is considered the basic building block of matter. Anything that has a mass—in other words, anything that occupies space—is composed of atoms.

The atom is considered the basic building block of matter. The number of protons defines the. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Mar 19, 2020 · the nuclear regulatory commission's science 101: Everything in the world is made out of atoms. The atom considered as a source of vast potential constructive or destructive energy. The atom is considered the basic building block of matter. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.

Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Atoms are made of three main parts: However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Everything in the world is made out of atoms. The atom considered as a source of vast potential constructive or destructive energy. Mar 26, 2015 · an atom is the basic unit of a chemical element. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. The number of protons defines the. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. noun the smallest particle of an element that can exist either alone or in combination.. Mar 19, 2020 · the nuclear regulatory commission's science 101:

Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Mar 26, 2015 · an atom is the basic unit of a chemical element. Mar 19, 2020 · the nuclear regulatory commission's science 101: noun the smallest particle of an element that can exist either alone or in combination. Everything in the world is made out of atoms... noun the smallest particle of an element that can exist either alone or in combination.

The number of protons defines the... Everything in the world is made out of atoms. Mar 19, 2020 · the nuclear regulatory commission's science 101: The number of protons defines the. Atoms are made of three main parts: However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The atom considered as a source of vast potential constructive or destructive energy. Mar 26, 2015 · an atom is the basic unit of a chemical element. noun the smallest particle of an element that can exist either alone or in combination. The atom is considered the basic building block of matter. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.

Everything in the world is made out of atoms.. The atom considered as a source of vast potential constructive or destructive energy. Mar 26, 2015 · an atom is the basic unit of a chemical element. Everything in the world is made out of atoms. Atoms are made of three main parts:. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.

However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus... Mar 19, 2020 · the nuclear regulatory commission's science 101: While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.

However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.. Mar 19, 2020 · the nuclear regulatory commission's science 101: While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Everything in the world is made out of atoms. The atom is considered the basic building block of matter. The number of protons defines the. The atom considered as a source of vast potential constructive or destructive energy. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Atoms are made of three main parts:. Atoms are made of three main parts:

While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Mar 19, 2020 · the nuclear regulatory commission's science 101: Mar 26, 2015 · an atom is the basic unit of a chemical element. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now... Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.

The atom considered as a source of vast potential constructive or destructive energy. Everything in the world is made out of atoms. Mar 26, 2015 · an atom is the basic unit of a chemical element. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. The number of protons defines the.. The number of protons defines the.

Everything in the world is made out of atoms. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Mar 26, 2015 · an atom is the basic unit of a chemical element. The atom considered as a source of vast potential constructive or destructive energy. Mar 19, 2020 · the nuclear regulatory commission's science 101: Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The atom is considered the basic building block of matter... The atom considered as a source of vast potential constructive or destructive energy.

Mar 19, 2020 · the nuclear regulatory commission's science 101:. Anything that has a mass—in other words, anything that occupies space—is composed of atoms.. Anything that has a mass—in other words, anything that occupies space—is composed of atoms.

Everything in the world is made out of atoms. noun the smallest particle of an element that can exist either alone or in combination. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Atoms are made of three main parts: The atom considered as a source of vast potential constructive or destructive energy. The atom is considered the basic building block of matter. Anything that has a mass—in other words, anything that occupies space—is composed of atoms... noun the smallest particle of an element that can exist either alone or in combination.

Everything in the world is made out of atoms... The atom is considered the basic building block of matter. The number of protons defines the.

While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Everything in the world is made out of atoms. The atom is considered the basic building block of matter. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. The atom considered as a source of vast potential constructive or destructive energy. Mar 26, 2015 · an atom is the basic unit of a chemical element.

The atom is considered the basic building block of matter.. The number of protons defines the. noun the smallest particle of an element that can exist either alone or in combination.

Mar 26, 2015 · an atom is the basic unit of a chemical element.. Mar 19, 2020 · the nuclear regulatory commission's science 101:.. The atom is considered the basic building block of matter.

However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.. The atom is considered the basic building block of matter. Atoms are made of three main parts:. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.

Atoms are made of three main parts:. Everything in the world is made out of atoms. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The number of protons defines the. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. noun the smallest particle of an element that can exist either alone or in combination. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. The atom is considered the basic building block of matter. Mar 19, 2020 · the nuclear regulatory commission's science 101: The atom considered as a source of vast potential constructive or destructive energy. Mar 26, 2015 · an atom is the basic unit of a chemical element... The atom considered as a source of vast potential constructive or destructive energy.

The number of protons defines the. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. The number of protons defines the. noun the smallest particle of an element that can exist either alone or in combination. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Mar 26, 2015 · an atom is the basic unit of a chemical element. Mar 19, 2020 · the nuclear regulatory commission's science 101: Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.

The atom considered as a source of vast potential constructive or destructive energy.. Atoms are made of three main parts:

Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Everything in the world is made out of atoms. Atoms are made of three main parts: Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The atom considered as a source of vast potential constructive or destructive energy. The atom is considered the basic building block of matter. Mar 26, 2015 · an atom is the basic unit of a chemical element. The atom considered as a source of vast potential constructive or destructive energy.

Atoms are made of three main parts: . However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.

Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.. Everything in the world is made out of atoms. Mar 26, 2015 · an atom is the basic unit of a chemical element. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Mar 26, 2015 · an atom is the basic unit of a chemical element.

The number of protons defines the. Mar 19, 2020 · the nuclear regulatory commission's science 101: The atom is considered the basic building block of matter. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Atoms are made of three main parts: Mar 26, 2015 · an atom is the basic unit of a chemical element. The number of protons defines the. noun the smallest particle of an element that can exist either alone or in combination. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Everything in the world is made out of atoms. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.

The number of protons defines the. Everything in the world is made out of atoms. noun the smallest particle of an element that can exist either alone or in combination. The atom considered as a source of vast potential constructive or destructive energy.. Anything that has a mass—in other words, anything that occupies space—is composed of atoms.

Mar 26, 2015 · an atom is the basic unit of a chemical element. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Atoms are made of three main parts: The atom considered as a source of vast potential constructive or destructive energy. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Everything in the world is made out of atoms. Mar 26, 2015 · an atom is the basic unit of a chemical element. The number of protons defines the. Mar 26, 2015 · an atom is the basic unit of a chemical element.

Mar 26, 2015 · an atom is the basic unit of a chemical element. noun the smallest particle of an element that can exist either alone or in combination. The number of protons defines the. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Everything in the world is made out of atoms. The atom is considered the basic building block of matter. The atom considered as a source of vast potential constructive or destructive energy.. Anything that has a mass—in other words, anything that occupies space—is composed of atoms.

Everything in the world is made out of atoms... However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Mar 26, 2015 · an atom is the basic unit of a chemical element. Mar 19, 2020 · the nuclear regulatory commission's science 101: noun the smallest particle of an element that can exist either alone or in combination. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The number of protons defines the. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Everything in the world is made out of atoms. Atoms are made of three main parts:. Atoms are made of three main parts:

Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.. The atom considered as a source of vast potential constructive or destructive energy. The atom is considered the basic building block of matter. The number of protons defines the.. Everything in the world is made out of atoms.

Anything that has a mass—in other words, anything that occupies space—is composed of atoms.. Mar 26, 2015 · an atom is the basic unit of a chemical element. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.

noun the smallest particle of an element that can exist either alone or in combination.. The number of protons defines the. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.

Everything in the world is made out of atoms... Mar 19, 2020 · the nuclear regulatory commission's science 101:

noun the smallest particle of an element that can exist either alone or in combination. The number of protons defines the. The atom considered as a source of vast potential constructive or destructive energy. The atom is considered the basic building block of matter. Everything in the world is made out of atoms. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. noun the smallest particle of an element that can exist either alone or in combination. Mar 26, 2015 · an atom is the basic unit of a chemical element. Anything that has a mass—in other words, anything that occupies space—is composed of atoms.

Mar 26, 2015 · an atom is the basic unit of a chemical element. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Atoms are made of three main parts: Mar 26, 2015 · an atom is the basic unit of a chemical element. Mar 19, 2020 · the nuclear regulatory commission's science 101:. noun the smallest particle of an element that can exist either alone or in combination.

However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. noun the smallest particle of an element that can exist either alone or in combination. The atom considered as a source of vast potential constructive or destructive energy. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Mar 19, 2020 · the nuclear regulatory commission's science 101: The atom is considered the basic building block of matter. The number of protons defines the. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Everything in the world is made out of atoms. Mar 26, 2015 · an atom is the basic unit of a chemical element. The atom is considered the basic building block of matter.

Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Mar 26, 2015 · an atom is the basic unit of a chemical element. Mar 19, 2020 · the nuclear regulatory commission's science 101: However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. noun the smallest particle of an element that can exist either alone or in combination. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. The atom considered as a source of vast potential constructive or destructive energy. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Atoms are made of three main parts: The number of protons defines the. The atom is considered the basic building block of matter. Mar 19, 2020 · the nuclear regulatory commission's science 101:

However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. noun the smallest particle of an element that can exist either alone or in combination. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. The atom considered as a source of vast potential constructive or destructive energy. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.. The atom is considered the basic building block of matter.

While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.. .. Atoms are made of three main parts:

Mar 19, 2020 · the nuclear regulatory commission's science 101: However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. The number of protons defines the. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. noun the smallest particle of an element that can exist either alone or in combination. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Atoms are made of three main parts: The atom is considered the basic building block of matter. Mar 19, 2020 · the nuclear regulatory commission's science 101: Mar 26, 2015 · an atom is the basic unit of a chemical element. The atom is considered the basic building block of matter.

Mar 19, 2020 · the nuclear regulatory commission's science 101: . Mar 19, 2020 · the nuclear regulatory commission's science 101:

The atom considered as a source of vast potential constructive or destructive energy. Mar 26, 2015 · an atom is the basic unit of a chemical element. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. The number of protons defines the. The atom is considered the basic building block of matter. The atom considered as a source of vast potential constructive or destructive energy. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Everything in the world is made out of atoms.. Everything in the world is made out of atoms.

The atom is considered the basic building block of matter. noun the smallest particle of an element that can exist either alone or in combination. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. The atom considered as a source of vast potential constructive or destructive energy. Mar 19, 2020 · the nuclear regulatory commission's science 101: Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Everything in the world is made out of atoms. The atom is considered the basic building block of matter. Mar 19, 2020 · the nuclear regulatory commission's science 101:

However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. .. The atom considered as a source of vast potential constructive or destructive energy.

Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. The number of protons defines the. Atoms are made of three main parts: The atom is considered the basic building block of matter. Anything that has a mass—in other words, anything that occupies space—is composed of atoms.. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.

noun the smallest particle of an element that can exist either alone or in combination... Mar 19, 2020 · the nuclear regulatory commission's science 101: While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now... Everything in the world is made out of atoms.

Everything in the world is made out of atoms... Mar 19, 2020 · the nuclear regulatory commission's science 101: Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The atom is considered the basic building block of matter. noun the smallest particle of an element that can exist either alone or in combination. Mar 26, 2015 · an atom is the basic unit of a chemical element. Everything in the world is made out of atoms. Atoms are made of three main parts: The atom considered as a source of vast potential constructive or destructive energy.. The atom is considered the basic building block of matter.

However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. The atom is considered the basic building block of matter. Mar 19, 2020 · the nuclear regulatory commission's science 101:.. Mar 26, 2015 · an atom is the basic unit of a chemical element.

The atom is considered the basic building block of matter. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. noun the smallest particle of an element that can exist either alone or in combination. The atom is considered the basic building block of matter. The atom considered as a source of vast potential constructive or destructive energy. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.

The atom is considered the basic building block of matter. The atom considered as a source of vast potential constructive or destructive energy. Everything in the world is made out of atoms. Mar 26, 2015 · an atom is the basic unit of a chemical element. The atom is considered the basic building block of matter. noun the smallest particle of an element that can exist either alone or in combination. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.. Anything that has a mass—in other words, anything that occupies space—is composed of atoms.

Mar 26, 2015 · an atom is the basic unit of a chemical element. Everything in the world is made out of atoms. Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Mar 19, 2020 · the nuclear regulatory commission's science 101: While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. The atom considered as a source of vast potential constructive or destructive energy. The number of protons defines the.. Mar 26, 2015 · an atom is the basic unit of a chemical element.

Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation.

The atom considered as a source of vast potential constructive or destructive energy.. noun the smallest particle of an element that can exist either alone or in combination. Mar 26, 2015 · an atom is the basic unit of a chemical element. The atom is considered the basic building block of matter. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus. Atoms are made of three main parts:. Atoms are made of three main parts:

Everything in the world is made out of atoms. Atoms are made of three main parts: noun the smallest particle of an element that can exist either alone or in combination. The number of protons defines the. Atom definition at dictionary.com, a free online dictionary with pronunciation, synonyms and translation. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now. The atom considered as a source of vast potential constructive or destructive energy. Mar 19, 2020 · the nuclear regulatory commission's science 101: The atom is considered the basic building block of matter.

Anything that has a mass—in other words, anything that occupies space—is composed of atoms. Mar 19, 2020 · the nuclear regulatory commission's science 101: Atoms are made of three main parts: The number of protons defines the. Mar 26, 2015 · an atom is the basic unit of a chemical element. noun the smallest particle of an element that can exist either alone or in combination.. While its name originally referred to a particle that couldn't be divided any more—the smallest thing possible—we now.

The atom considered as a source of vast potential constructive or destructive energy. However, an atom can consist of a single proton (i.e., the protium isotope of hydrogen) as a nucleus.. The number of protons defines the.