Question

water (h₂o) is composed of two hydrogen atoms and one oxygen atom. therefore, it is a(n)

Explanation:

A compound is a substance formed when two or more different elements chemically bond together. Water (\(H_2O\)) is made of hydrogen (\(H\)) and oxygen (\(O\)) elements. An element is a pure substance with only one type of atom. A molecule is the smallest unit of a substance (could be an element like \(O_2\) or a compound like \(H_2O\)). A solid is a state of matter (water can be liquid, solid - ice, or gas - water vapor). Since \(H_2O\) has two types of elements chemically combined, it fits the compound definition.

Answer:

compound