Question

NEED ANSWER ASAP PLEASE!!!

Which of these elements has four valence electrons?
(A). hafnium (Hf)

(B.) radon (Rn)

(C.) silicon (Si)

(D.) sulfur (S)

Answer 1

The answer is Silicon. If you ever need a quick way to find out how many valence electrons an element has, look for the element's family. Of course, disregard the transition metals. They are playing their own game.

Answer 2

silicon (Si) had four valence electrons :)