_ The phosphate are a group of minerals of one or more metallic elements chemically associated with the phosphate compound ____$?

_ The phosphate are a group of minerals of one or more metallic elemen

1.	_ The phosphate are a group of minerals of one or more metallic elements chemically associated with the phosphate compound ____$?
A.	PO4
B.	PO3
C.	PO2
D.	PO
Answer» B. PO3