Chemistry, 05.08.2021 22:10 winterblanco
Which statement about an atom is true ?
A. all the elements have only one nucleon (mass) number.
B. the nucleon (mass )number can be less than the proton (atomic) number.
C. the nucleon (mass) number can equal the proton (atomic) number.
D. the number of neutrons never equals the number of electrons with answer
Answers: 2
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You know the right answer?
Which statement about an atom is true ?
A. all the elements have only one nucleon (mass) number.
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