16) the mass number of an element whose atoms have 12 protons and 13 neutrons is_
a) 12
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Chemistry, 07.11.2019 19:31 gcarter1203
16) the mass number of an element whose atoms have 12 protons and 13 neutrons is_
a) 12
b) 13c) 25 d) 12.5
Answers: 1
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