contestada

what is the atomic number of an oxygen atom with 8 protons and 10 neutrons in the nucleus.
A. 8
B.10
C.18
D. not enough information to calculate

Respuesta :

The atomic number is always equal to the number of protons. Therefore, the atomic number of Oxygen is 8.
mkollman1987

Answer

A. 8

Explanation:

The Atomic number is equal to the number of protons.

I took the test and got it right so this is 100% correct. It is NOT 18 like some people say