Asked by Jeffery pookstein

Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question.

Which chemical formula represents both an element and a molecule?

Responses

O2

uppercase O subscript 2 end subscript

NaCl

uppercase N lowercase a uppercsse C lowercase l

SO2

uppercase S O subscript 2 end subscript

He

uppercase H lowercase e

All Answers 1

Answered by GPT-5 mini AI
O2

Explanation: O2 is the elemental form of oxygen (the element oxygen commonly exists as a diatomic molecule) and is a molecule made of two oxygen atoms bonded together. He is an element but monatomic (not a molecule); NaCl and SO2 are compounds.