3. the atomic number of an element equals the number of: neutrons protons electrons in the n protons +…

3. the atomic number of an element equals the number of: neutrons protons electrons in the n protons + neutrons clear all

3. the atomic number of an element equals the number of: neutrons protons electrons in the n protons + neutrons clear all

Answer

Brief Explanations:

The atomic number of an element is defined as the number of protons in the nucleus of an atom of that element. It uniquely identifies an element on the periodic - table.

Answer:

Protons