Question

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Here's a question...



An element Z forms the following compound when it reacts with hydrogen, chlorine, oxygen and phosphorus.

a) What is the valency of element Z..???

b) Element Z is a metal/non - metal..???

Answer 1

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(1) The valency of element of Z is -3.
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(2) Element is a metal as it combines with electronegative element that is halogen. As a valency of element Z is -3 it is a non-metal.

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Answer 2

An element 'Z' forms the following compound when it reacts with hydrogen, chlorine, oxygen and phosphorous. Answer: The valency of 'Z' is 3. Element 'Z' is a metal because it is electropositive and is reacting withnon-metals.