2(c)
Study the extract of the Periodic Table given below and answer the questions that follow.
Give the alphabet corresponding to the element in question. DO NOT repeat an element.
| A | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | D | E | ||||||
| B | G | F | ||||||
(i) Which element forms electrovalent compound with G?
(ii) The ion of which element will migrate towards the cathode during electrolysis?
(iii) Which non-metallic element has the valency of 2?
(iv) Which is an inert gas?
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(i) B forms an electrovalent compound with G.
(ii) A has positive ions which migrate towards cathode.
(iii) E is non-metallic and has a valency of 2 as it belongs to group 16.
(iv) F is an inert gas as it belongs to the zero group.