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What is the radius of iodine atom (at no...

What is the radius of iodine atom (at no. `53`, mass number `126`)?

A

`2.5 xx 10^(-11) m`

B

`2.5 xx 10^(-9)` m

C

`7 xx 10^(-9)` m

D

`7 xx 10^(-6)` m

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