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Consider the following elements of third...

Consider the following elements of third period of modern periodic table :
`{:("Period III elements ",Na,Mg,Al,Si,P,S,Cl,Ne),("Atomic number ",11,12,13,14,15,16,17,18):}`
How does valency very in a period on going from left to right ?

A

Increases

B

Decreases

C

Remains constant

D

First increases then decreases

Text Solution

Verified by Experts

The correct Answer is:
D

Valency along the period , first it increases then decreases .
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VGS PUBLICATION-BRILLIANT-ACIDS,BASES AND SALTS-4. Classification of Elements - The periodic Table
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