Question

what ion has 12 protons and 10 electrons?

Answer 1

Obvioulsly, it is a + 2 ion, now what has atomic NUMBER 12?

http://www.webelements.com/

Answer 2

wow that just made sence. the actual question confused me. thanks

Answer 3

so what would be the chemical symbol

Answer 4

Look at the periodic table: what has atomic number 12.

then write it as this Ra⁺²
IT IS NOT Radium, you look it up.

Answer 5

oh i get it, the element symbol, then the ion?