1.

Match the following. ‘A’ ‘B’ (a) Isotopes of cobalt 1. Three (b) Valency of nitrogen 2. Treatment of cancer (c) Non-metal 3. Electrons in the outermost orbit (d) Metal 4. Receives electrons (e) Valency 5. Loses electrons

Answer»

Match the following.






































































‘A’

‘B’

(a)

Isotopes of cobalt

1.

Three

(b)

Valency of nitrogen

2.

Treatment of cancer

(c)

Non-metal

3.

Electrons in the outermost orbit

(d)

Metal

4.

Receives electrons

(e)

Valency

5.

Loses electrons




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