Question

the atomic number of an atom

Answer 1

Answer:

The atomic number or proton number of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus.

Answer 2

Answer:

Atomic number of proton number(symbol z) of a chemical element is the number of protons found in the nucleus of every atom of the element.