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which of the following has the largest radius?? a)Cr+3 b)Mn+3 c)Fe+3 d)Co+3

which of the following has the largest radius??


a)Cr+3


b)Mn+3


c)Fe+3


d)Co+3

Grade:12

2 Answers

siddharth singhal
19 Points
10 years ago
cr+3...because across the period radius decreases as effective nuclear charge increases
Sumit kale
13 Points
3 years ago
Cr+3 because across period means from left to right, nuclear charge on an atom increases. And due to this reason, the ionic radius is going to decrease in period. So, option (a) is correct answer. 

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