Question

The following table shows the position of five elements A, B, C, D and E in

the modern periodic table.

Period ↓


Answer the following giving reasons:

(i) Which element is a metal with valency two?

(ii) Which element is least reactive?

(iii) Out of D and E which element has a smaller atomic radius?​

Answer 1

Answer:

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Answer 2

Answer:

I) D

II) C

III) E

Explanation:

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