What Is the Approximate Mass of an Oxygen Molecule, O₂

question 39

Multiple Choice

What is the approximate mass of an oxygen molecule, O₂, if the atomic mass of oxygen is 15.9994 u?

• A)2.657 × 10^-26 kg
• B)5.313 × 10^-26 kg
• C)3.200 × 10^-25 kg
• D)6.400 × 10^-25 kg
• E)1.927 × 10^-23 kg

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Definitions:

Trans Double Bond

A type of double bond where the substituents are on opposite sides, resulting in a more linear and less polar structure compared to cis double bonds.

Melting Point

The temperature at which a solid substance transitions to a liquid state, indicative of purity for pure substances.

Molecular Weights

A measure of the total mass of atoms in a molecule, calculated as the sum of the atomic masses of all atoms in the molecule.

Compound

A substance formed by the chemical combination of two or more elements in fixed proportions.