Question

Which of the following correctly describes a compound?

Answer 1

I think its c, it makes sense to me to be c

Answer 2

Answer: Option (C) is the correct answer.

Explanation:

A compound is a substance that contains atoms of two or more different elements which are chemically combined together in a fixed ratio by mass.

For example, NaCl, $CO_{2}$, $Mg(OH)_{2}$ etc are all compounds.

Atoms of a compound can be separated by chemical means.

Hence, we an conclude that the atoms can only combine in fixed ratios, and they can only be separated by a chemical change, correctly describes a compound.