The graphic represents the Milky Way galaxy. Which label best represents the location of our solar system within the milky way galaxy?
A
B
C
D

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

What is the polyatamic ion of thiosulfate