period.
HOTS X, Y and Z are three successive elements of third
period of the modern periodic table. X forms an
amphoteric oxide and contains three electrons in its
valence shell.
(1) Identify the elements X and Y.
(ii) Arrange them in the increasing order of metallic
character.
(iii) Predict the nature of oxides of Xand Z.
( Which one is the most electronegative and why?
Answers
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