Which statement about pure substances and molecules is correct?(1 point)

Question

Responses

All molecules are pure substances.
All molecules are pure substances.

Pure substances cannot be molecules.
Pure substances cannot be molecules.

All pure substances are molecules.
All pure substances are molecules.

Molecules cannot be pure substances.

Answer 1

The correct statement is: All molecules are pure substances.

Molecules are made up of two or more atoms bonded together, and if these atoms are of the same element (like O2) or different elements (like H2O), the resulting structure qualifies as a pure substance. Therefore, all molecules fall under the category of pure substances.