Which of the following represent isotopes?
[A: ]
[ B: ]
[ C: ]
[ D: ]
A)A and B
B)A and C
C)A and D
D)C and D

Name: Which of the following represent isotopes? [A: ] [ B: ] [ C: ] [ D: ] A)A and B B)A and C C)A and D D)C and D
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Question

Which of the following represent isotopes?
[A: ]
[  B: ]
[  C: ]
[  D: ]
A)A and B 
B)A and C 
C)A and D 
D)C and D

Quizplus · Accepted Answer

Isotopes have the same atomic number but different mass numbers. In the given options, only A and B have the same atomic number (11) and different mass numbers (7 and 9), hence they are isotopes. C and D have different atomic numbers, hence they cannot be isotopes.

Which of the Following Represent Isotopes