Question

what is the symbol for the element arsenic? arsenic is in group 5a(15) which includes nonmetals, metalloids, and metals. it is sometimes called the pnictogen group. it has the same outer electron configuration as the other elements in this group, $n s^2 n p^3$. what is the symbol for arsenic?
options: ar, as, a, at, i dont know yet

Explanation:

To determine the symbol for arsenic, we recall the standard chemical symbols. Arsenic has the symbol "As". "Ar" is argon, "A" is not the symbol for arsenic, and "At" is astatine.

Answer:

B. As