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  • Elements with valency 1 are (a) always metals (b) always metalloids (c) either metals or non-metals (d) always non-metals

Elements with valency 1 are:
(a) always metals                                     

(b) always metalloids

(c) either metals or non-metals             

(d) always non-metals

Answers (1)

Answer: C

Metals and non-metals both can have valency 1. If an element show positive valency (like sodium), it is a metal; otherwise (negative valency like chlorine) it is a non-metal.

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