Chemistry
Study the extract of the Periodic Table given below and answer the questions. Give the alphabet corresponding to the element in question. Do not repeat an element. State which element :
| A | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | D | E | ||||||
| B | G | F | ||||||
(i) Forms an electrovalent compound with G.
(ii) Is non-metallic and has a valency of 2?
(iii) Is an inert gas?
(iv) State the ion of which element will migrate towards the cathode during electrolysis.
Periodic Table
ICSE 2019
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Answer
(i) B forms an electrovalent compound with G.
(ii) E is non-metallic and has a valency of 2 as it belongs to group 16.
(iii) F is an inert gas as it belongs to the zero group.
(iv) A has positive ions which migrate towards cathode.
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The tendency of an atom to attract electrons towards itself when combined in a covalent compound.
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Choose the correct answer from the given options given :
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