Question

what does the atomic number repersent?

Answer 1

plz answer

Answer 2

what is a atomic number of oxygen?????

Answer 3

8

Answer 4

http://en.wikipedia.org/wiki/Atomic_number
Always give the internet a shot :) Any questions?

Answer 5

The atomic number of an atom represents the number of protons in the atom.

Answer 6

Protons and Electrons, because the charge of an atom is neutral we can conclude that the number of protons and electrons is equal.