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There are four elements P, Q, R and S having atomic numbers of 4, 18, 10 and 16 respectively. The element which can exhibit covalency, as well as electrovalency, will be : (a) P (b) Q (c) R (d) S

Answer»

There are four elements P, Q, R and S having atomic numbers of 4, 18, 10 and 16 respectively. The element which can exhibit covalency, as well as electrovalency, will be :

(a) P

(b) Q

(c) R

(d) S




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