The mass of an atom of a chemical element expressed in atomic mass units (amu). It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of differ

🎲 Try a Random Question  |  Total Questions in Quiz: 54  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
CLEP Chemistry: Structure Of Matter — practice the complete quiz, review flashcards, or try a random question.


1. The mass of an atom of a chemical element expressed in atomic mass units (amu). It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of differ