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The correct order of decreasing electron...

The correct order of decreasing electronegativity values among the elements X,Y,Z and A with atomic numbers 4,8,7 and 12 respectively

A

`YgtZgtXgtA`

B

`ZgtAgtYgtX`

C

`XgtYgtZgtA`

D

`XgtYgtAgtZ`

Text Solution

Verified by Experts

The correct Answer is:
a
The electronegativity across from left to right in a period increases and from top to left in a group decreases.
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