How many protons should be added to the nuclei of oxygen atoms so the resulting gas will glow red when an electric current is in it?
A)1
B)2
C)3
D)4
E)none of the above

Question

Quizplus · Accepted Answer

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

How Many Protons Should Be Added to the Nuclei of Oxygen