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give reason:

lithium atom is smaller than sodium atom

cl (atomic no 17)is more electronegative than sulphur (at no 16)

Asked by Puju S(student) , on 10/3/12

Answers

as we go down the group one shell is added regularly.thus lithium is smaller.

the non mettalic character increases acroos the period.thus cl is more electro negative

Posted by Remitha(student)on 10/3/12

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