Q. 104.1( 8 Votes )

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Class 10th Science - Board Papers All India - 2014

Answer :

(i) The covalent compounds will be formed by only element E.

(ii)The element which is a metal with valency three is: D

(iii) The element which is a non-metal with valency three is: B

(iv) Element D has big size as we go from left to right in a period, due to same number of shells, the size of atoms decreases as the forces of attraction increases between the valence electrons and the nucleus.

(v)Elements C and F belongs to noble gases.

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