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Identify the correct order in which the ...

Identify the correct order in which the convalent radius of the following elements increases ?
(i) `Ti` (ii) `Ca`
(iii) `Sc`

A

`(i), (ii), (iii)`

B

`(iii),(ii),(i)`

C

`(ii),(i),(iii)`

D

`(i),(iii),(ii)`

Text Solution

Verified by Experts

The correct Answer is:
D
In general, the atomic size decreases on moving across the period on account of the increase of nuclear charge:
`Ti(147 "pm") lt Sc (164) lt Ca (197)`
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