Question

The metalloid that has five valence electrons in the fourth electron shell is

Answer 1

im doing this in middle school. UGH!

the answer is arsenic. hope it helps!

Answer 2

Arsenic, I believe. Metalloids fall in between metals and nonmetals (usually on the bold line separating the two on the periodic table). And since the metalloid in question has four electron shells and five valence electrons in the outermost shell, you can see that this element is arsenic