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The atomic and mass numbers for four different atoms are given below. Which two are isotopes of the same element? (2 points)

Atom

Atomic Number

Mass Number

A

100

257

B

101

259

C

101

260

D

102

259

Respuesta :

CaptainBeyond
B and C have the same atomic numbers, which means they have the same number of protons, which is the defining part of an element.

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