Question

The atomic number of an atom is based upon the number of​

Answer 1

The atomic number of an element is based on the number of protons in the atomic nuclei of its atoms.

Answer 2

Answer:

hope it helps...

Explanation:

Atoms of each element contain a characteristic number of protons. In fact, the number of protons determines what atom we are looking at (e.g., all atoms with six protons are carbon atoms); the number of protons in an atom is called the atomic number.