Question

A) Which list only includes terms that describe oxygen gas, O ? (1 point) 2
compound, molecule, pure substance
atom, element, molecule
atom, compound, molecule
element, molecule, pure substance

Answer 1

The correct list that only includes terms that describe oxygen gas (O₂) is:

**element, molecule, pure substance**

This is because:
- Oxygen (O₂) is an element.
- It exists as a diatomic molecule.
- It is a pure substance when in its gaseous state.