Question

the number of nucleaus is called of _______ atom​

Answer 1

Answer:

mass

Explanation:

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Answer 2

Answer:

The chemical element of an atom is determined by the number of protons, or the atomic number, Z, of the nucleus. The element oxygen has an atomic number Z=8, while carbon has Z=6. The atomic mass of the nucleus is given by, A=Z+N, where, N, is the number of neutrons in the nucleus.