A) Belong to same group and same period
B) Belong to different group and different periods
C) Belong to same group and different periods
D) Are isotopes, which do not have different positions
Correct Answer: D
Solution :
[d] Isotopes have same number of protons (i.e. same atomic number). So they occupy same position in the periodic table. However, due to different numbers of neutrons their atomic weights are different.You need to login to perform this action.
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