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Feliz [49]
3 years ago
12

Isotopes of an element differ in the composition of the nucleus. The varying numbers of __________ cause the ___________ of each

isotope to also vary.
Biology
2 answers:
SVETLANKA909090 [29]3 years ago
7 0
Isotopes vary in the number of neutrons, and thus, the atomic mass varies also since neutron mass is significant.
ASHA 777 [7]3 years ago
6 0

The answer is neutrons, mass number I just had this on a test.

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