9
QuizMultiple Choice

Stoichiometry and the Gas Laws — Test

Question 9 • Chemistry

What is the word equation for atoms of magnesium reacting with molecules of oxygen to produce magnesium oxide?

Answer
A
magnesium plus oxygen rightarrow magnesium oxide
B
magnesium plus magnesium oxide rightarrow oxygen
C
magnesium oxide plus oxygen rightarrow magnesium
D
magnesium plus oxygen rightarrow magnesium plus oxygen

Explanation

Magnesium reacts with oxygen to form magnesium oxide. The word equation is magnesium + oxygen → magnesium oxide, so the correct choice is “magnesium plus oxygen rightarrow magnesium oxide.”

AI-written and checked against the verified answer.

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