Identifying Isotopes
Atom 1 has 19 protons and 22 neutrons, while Atom 2 has 20 protons and 22 neutrons. Are these atoms isotopes of the same element?
A
No, because they have different numbers of protons.
B
Yes, because they have the same number of neutrons.
C
Yes, because they have different numbers of protons.
D
No, because they have the same number of neutrons.
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