Question

In order for an atom to have a zero charge every proton which has a change of +1, must be matched with an electron which has a change of -1 a helium atom has 2 protons and 2 electrons explain why a helium atom has a zero change

Answer 1

A helium atom has a zero charge because the number of protons equals the number or protons. The positive and negative charges add together to reach zero.