The following diagram shows a part of the periodic table in which the elements are arranged accor...

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The following diagram shows a part of the periodic table in which the elements are arranged according to their atomic numbers. (The letters given here are not the chemical symbols of the elements) :

a b c d e f g h

3 4 5 6 7 8 9 10

i j k l m n o11 12 13 14 15 16 17 18


(i) Which element has a bigger atom, a or f ?
(ii) Which element has a higher valency, k or o ?
(iii) Which element is more metallic, i or k ?
(iv) Which element is more non-metallic, d or g ?
(v) Select a letter which represents a metal of valency 2.
(vi) Select a letter which represents a non-metal of valency 2.

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