Chemistry-
General
Easy
Question
Mg and Li are similar in their properties due to
- (a) Same e/m ratio
- Same electron affinity
- (c) Same group
- Same ionic potential
The correct answer is: Same ionic potential
and 
ions have similar polarising power or ionic potential and therefore have similar properties. This type of relationship of the first element of a group with the second element of the next group is known as diagonal relationship.
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