A teacher holds a strip of gray magnesium metal in a flame. In the flame, the metal strip reacts

with colorless oxygen gas in the air to form a

white, solid powder. Which statement correctly

describes the change?

A) Oxygen and magnesium form a mixture with

the same properties as the original materials

B) Oxygen and magnesium form a solution with

different properties from the original materials

C) Oxygen and magnesium form a compound

with the same properties as the original materials.

D) Oxygen and magnesium form a new substance

with different properties from the originals.