Question

describe the relationship between mass number and atomic number​

Answer 1

Answer:

Explanation:

                         Relation Between Atomic Number and Atomic Mass. ... Atomic number (Z) is the number of protons in the nucleus of an atom. It is also equal to the number of electrons since the atom is electrically neutral. Mass number (A) is the total number of neutrons and protons present in the nucleus of an atom.

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Answer 2

Mass number (Z) is the number of protons in the nucleus of an atom