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Grade: 9
        Elements with valency 1 are:    A) always metal B) always non metal C) either metal or non metal D) always metalloids
2 years ago

Answers : (1)

Santhosh Kumar
36 Points
							
Always metals because elements with valency 1 that is alkali elements gives away it's valence electron and attains octet electronic configuration even halogen group metals contains valency 1 hence it gains 1 electron and attains octet structure. Thus elements with valency are always metals.😊😊😊
2 years ago
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