Question

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

Answer 1

a-2, b-1, c-4, d-5, e-3
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