2. What does the atomic mass of a neutral atom tell you?
A. The number of electrons in the atom.
OB. The number of protons in an atom.
C. The total number of protons and neutrons in an atom.
O D. The total number of protons and electrons in an atom.
C. The total number of protons and neutrons in an atom. In a neutral atom, the numbers of protons electrons are equal and also is equal to the atomic number. So mass # - atomic # = # of neutrons. Just some extra info there.
