An element ' Z' forms the following compounds. When it reacts with hydrogen, chlorine and phosphorous
ZH3, ZCl, Zo
(a) what is the valency of the element Z
(b) element Z is metal or non metal
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I think the valency of z is 1
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Answered by
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z element is aluminium with valency 3
hence it is an metal
How the valency of Z is 3
bcz when it react with H it given 3 atoms and hydrogen valency is 1 to get z octect it used 3 hydrogen atoms so its valency is 3 and if we see in other casas also it is same
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