The atomic number is the number of what?

1 Answer
May 10, 2017

Answer:

number of protons in the nucleus of an atom.

Explanation:

Carbon, C , has atomic # 6. It shows to us that a carbon atom has 6 protons inside its nucleus.

Chlorine, Cl , has atomic # 17. It shows to us that a Chlorine atom has 17 protons inside its nucleus.