1.

The given part of the periodic table represents period 3 containing elements a to h.Group12131415161718Period 3abcdefghWhich of the following statements is/are correct? I. a and b form basic oxides while c forms amphoteric oxide. II. d is a typical non-metal. III. h exists in monoatomic form.IV. f is anon-metal.(A) I only(B) ll only(C) I and III only(D) I, III and IV only

Answer»

Correct option  (D) I, III and IV only

Explanation: 

D is silicon which is a metalloid.



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