The molecular mass is the sum of _____ in a molecule.

Question

Quizplus · Accepted Answer

The molecular mass is calculated by summing up the masses of the atoms that make up the molecule, which includes the masses of protons, neutrons, and electrons in those atoms. However, because electrons have much less mass compared to protons and neutrons, the main contribution comes from the latter two. Choices A, B, C, and E either partially contribute to or inaccurately describe the components of molecular mass.

The Molecular Mass Is the Sum of _____ in a Molecule