Which of the following statements describes a compound?
A) A compound is a pure substance.
B) A compound obeys the law of constant composition.
C) A compound is both a pure substance and obeys the law of constant composition.
D) A compound is neither a pure substance nor obeys the law of constant composition.

Question

Quizplus · Accepted Answer

A compound is a pure substance as it consists of a fixed ratio of two or more different elements. Furthermore, it obeys the law of constant composition, meaning that the ratio of the elements in a compound is always the same, regardless of the sample size or source of the compound. Therefore, statement C is the correct choice as it encompasses both of these defining characteristics of a compound.

Which of the Following Statements Describes a Compound