When magnesium (Mg) metal is burned in the presence of oxygen (O2), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is
A a solution.
B a mixture.
C a compound.
D an element.




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The answer is letter C because Mg and O2 are the only 1 element while MgO is a compound mixture of elements Mg and O2