Atoms are most likely to form ions when they have:
A)an even number of electrons in their outer shells
B)a nearly empty outer shell
C)an odd number of electrons in their outer shells
D)four electrons in their outer shells

Question

Quizplus · Accepted Answer

Atoms are most likely to form ions when they have a nearly empty outer shell, as they want to either gain or lose electrons to achieve a stable configuration of eight electrons in their outermost shell (except for helium, which only needs two electrons in its outer shell for stability).

Atoms Are Most Likely to Form Ions When They Have