Chemistry, 12.10.2020 21:01, morganadele01

If an atom has a mass of 40 amu, which of the following MUST be true? a. There are 20 protons in this atom.
b. There are less than 40 protons in this atom.
c. There are exactly 40 protons in this atom.
d. There are 40 electrons in this atom.

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If an atom has a mass of 40 amu, which of the following MUST be true? a. There are 20 protons in th...