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It is the number of protons contained with the nucleus, this defines which element it is. If the atom has neutral charge then it will also be equivalent to the number of electrons orbiting the nucleus.

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15y ago
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13y ago

The atomic number of an element shows the number of protons in the element.

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12y ago

Mass # = Atomic # - # of neutrons

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Q: What describes the atomic number of an atom?
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What pieces of information best describes the atomic number of an atom?

Atomic number = number of protons in an atom, and = number of electrons in an atom.


What describes an atomic number?

Atomic number describes about number of protons.It is equals to number of protons.


What best describes the number of neutrons in an atom?

It is equal to the difference between atomic number and Atomic Mass number. A+


What does atomic number of an atom or element describes of?

The atomic number tells you how many protons are in an atom. For example, carbon has an atomic number of 6, so it has 6 protons. atomic no. = no. of protons = no. of electrons


Which term describes the number of protons in one atom of an elements?

Atomic number


What describes an atomic number of an element?

The number of protons in the nucleus of each atom of the element.


How atomic mass describes the number of protons in the nucleus of an atom?

Atomic mass is the total of the number of protons PLUS the number of neutrons.


What following statement best describes the number of neutrons in an atom?

it's equal to the difference between atomic number and atomic mass number


What is the atomic number of an atomic indicate?

Atomic number of an atom shows the number of protons in the nucleus of the atom. OR Atomic number of an atom is the number of electrons in the atom when the atom neutrally charged


What term best describes the sum of the number of protons and neutrons in an atom?

Atomic mass


The atomic number of an atom or element describes the number of what?

The atomic number of an atom is also known as the proton number. it is, quite simply, the number of protons in the atoms nucleus - as an atom needs to be equally charged, it is also the number of electrons in an atom however, if an atom is radioactive this is not always true.


The atomic number is the number of an atom?

The atomic number is the number of _____ an atom