NEET Questions Solved


Consider the following information about element P and Q :

                        Period number            Group number

P                               2                                 15

Q                               3                                 2

Then formula of the compound formed by P and Q element is :

(a) PQ          (b) P3Q2            (c) P2Q3            (d)PQ2

(c) P is trivalent non - metal Q is divalent metal hence formula of compound is P2Q3.

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