Question

(d) noble gas
(b) +7
3. The elements which have valency 1, 2 or 3 are generally :
(a) metals
(b) non-metals
(c) metalloids
(d) Francium​

Answer 1

Answer:

3. (a) metals

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Answer 2

Answer:

Answer -: It is (a) & (b) both

Means Metals and Non-Metals

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