Question

The following table shows position of six elements A, B, C, D, E, F in the periodic table as: 3

Groups 1 2 3 to 12 13 14 15 16 17 18

Periods

2 A B C

3 D E F

Using the above table answer the following questions:

a) Name the element which will form only covalent compound and why?

b) Which element is a metal with valency 1 and a non-metal with valency 2.

c) Out of D and E, which has bigger atomic radius and why? vo l​

Answer 1

Explanation:

Groups 1 2 3 to 12 13 14 15 16 17 18

Periods

2 A B C

3 D E F

Using the above table answer the following questions:

a) Name the element which will form only covalent compound and why?

b) Which element is a metal with valency 1 and a non-metal with valency 2.

c) Out of D and E, which has bigger atomic radius and why? vo l