How many protons should be added to the nuclei of oxygen atoms so the resulting gas will glow red when there is an electric current through it?
A)1
B)2
C)3
D)4
E)But protons will have to be subtracted,not added.

Question

Quizplus · Accepted Answer

Adding 2 protons to an oxygen nucleus (which has 8 protons) will result in a neon nucleus (which has 10 protons). Neon gas glows red when an electric current passes through it.

How Many Protons Should Be Added to the Nuclei of Oxygen