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The correct order of the size of Be, C, ...

The correct order of the size of `Be`, `C`, `F` and `Ne` is

A

`Be gt C gt F gt Ne`

B

`Be lt C lt F lt Ne`

C

`F lt C lt S lt P`

D

`Be gt C gt F lt Ne`

Text Solution

Verified by Experts

The correct Answer is:
D
Along the period `(rarr)`, size decreases. But size of noble gases is slightly greater than the precceding element (i.e. halogens) due to repulsion between all period electrons `(sn^(2) np^(6)`)
Hence the answer is (d).
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