Question

Which list only includes terms that describe oxygen gas, O2?(1 point)
Responses

atom, compound, molecule
atom, compound, molecule

atom, element, molecule
atom, element, molecule

element, molecule, pure substance
element, molecule, pure substance

compound, molecule, pure substance

Answer 1

The correct response that only includes terms that describe oxygen gas, O2, is:

**element, molecule, pure substance**

- **Element**: O2 is an elemental form of oxygen.
- **Molecule**: O2 consists of two oxygen atoms bonded together, making it a molecule.
- **Pure substance**: O2 is a uniform composition and distinct chemical identity, classifying it as a pure substance.