Chem 1000 - Test 1 - Practice Questions

Chem 1000 - Test 1 - Practice Questions. Multiple Choice. Identify the choice that best completes the statement or answers the question. ... e. protons; electrons; neutrons; protons ____ 43. The mass number of an atom is the number of ____ in the atom. a. protons b. neutrons c. protons plus the number of electrons d. protons plus the number of ... ................
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