Question

select all of the elements that are transition metals. a au b sr c cu d cd e co f al g ge

Explanation:

Transition metals are elements in groups 3 - 12 of the periodic table. Co (cobalt), Cu (copper), and Au (gold) are in these groups. Ge (germanium) is a metalloid, Al (aluminum) is a post - transition metal, Sr (strontium) is an alkaline earth metal.

Answer:

C. Cu, D. Co, A. Au