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The atomic and mass numbers for four different atoms are given below. Which two are isotopes of the same element? Atom Atomic number Mass number a 100 257 b 101 257 c 101 260 d 102 259 A.) A and B B.)
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The atomic and mass numbers for four different atoms are given below. Which two are isotopes of the same element?

Atom Atomic number Mass number
a 100 257
b 101 257
c 101 260
d 102 259


A.) A and B
B.) B and C
C.) B and D
D.) C and D

User Needfulthing
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1 Answer

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I think the correct answer from the choices listed above is option B. The two isotopes of the same element are atoms B and C. Having same atomic number means they are the same element. Hope this answers the question.Have a nice day.
User Aleksk
by
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