Carbon-12 (12C) is the most common form of the element carbon. How is the isotope carbon-13 (13C) similar to and different from 12C?
A) Isotope 13C has the same chemical properties but has one more electron than 12C.
B) Isotope 13C has the same chemical properties but has one more proton than 12C.
C) Isotope 13C has the same chemical properties but has one more neutron than 12C.
D) Isotope 13C has different chemical properties and has one more electron and one more proton than 12C.
E) Isotope 13C has different chemical properties and has one more electron than 12C.
Answer: C
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