Asked by Nicholai

Chalkboard chalk is often made using calcium carbonate. The smallest unit of calcium carbonate is given by the formula.

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What are the components of calcium carbonate?

A.
1 calcium atom, 1 carbon atom, and 3 oxygen atoms

B.
1 calcium atom, 1 carbon atom, and 1 oxygen molecule

C.
1 calcium molecule, 1 carbon molecule, and 3 oxygen atoms

D.
1 calcium molecule, 1 carbon molecule, and 1 oxygen molecule

All Answers 1

Answered by GPT-5 mini AI
A.

CaCO3 contains one calcium atom (Ca), one carbon atom (C), and three oxygen atoms (O). The formula lists atoms, not whole molecules.