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What is the radius of iodine atom (At. no. 53 mass no. 126) (a) 2.5 × 10 -11 m (b) 2.5 × 10 -9 m (c) 7 × 10 -9 m (d) 7 × 10 -6 m



What is the radius of iodine atom (At. no. 53 mass no. 126)      


        (a)    2.5 × 10-11 m     


(b)    2.5 × 10-9m


        (c)    7 × 10-9m


(d)    7 × 10-6m


Grade:11

1 Answers

Amit Saxena
35 Points
8 years ago

(a)

53 electrons in iodine atom are distributed as 2,8,18,18,7

.''. n = 5

 

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