If P, Q, R and S are elements of 3rd period of p-block in modern perio – InterviewSolution

1.	If P, Q, R and S are elements of 3rd period of p-block in modern periodic table, among these one element is metal and rest are non-metals and their order of electronegativity is given as: P lt Q lt R lt S Which element is expected to form amphoteric oxide?
Answer» `P` `Q` `R` `S`` Solution :ACCORDING to the GIVEN information, element P is ALUMINIUM which forms amphoteric OXIDE: `Al_(2)O_(3)`.

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