Solve this multiple-choice question and choose the correct option.

Basic chemistry: atomic mass of oxygen (standard isotope) For elemental oxygen, identify the standard atomic mass used for O in calculations (approximate integer). Choose the correct value.

Difficulty: Easy

12
14
16
32

Correct Answer: 16

Explanation:

ConceptThe atomic mass of oxygen is approximately 16 u for the common isotope O-16. (Note: 32 u refers to the molecular mass of O₂.)

Final Answer16

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