Which of the following Period 4 elements has the most metallic characteristics?

A) Ca

B) Ge

C) As

D) Br

The scale of most metal characteristics goes from the bottom left-hand corner.

The least metallic is the top right-hand.

So then that means that

Calcium-YES, second column

Germanium-No, to far, in the middle

Arsenic-Non-metal,

Bromine, same for this

Calcium