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In the following table, the positions of...

In the following table, the positions of six elements A, B, C, D, E and F are given as they are in the Modern Periodic Table:

On the basis of the above table, answer the following questions:
(i) Name the element which forms only covalent compounds. (ii) Name the element which is a metal with valency three. (iii) Name the element which is a non-metal with valency three. (iv) Out of B and C, whose atomic radius is bigger and why? (v) Write the common name for the family to which the elements D and F belong.

Text Solution

Verified by Experts

(i) E (ii) B (iii) C (iv) B, because atomic radius decreases from left to right due to increase in the nuclear charge. (v) Noble gases
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