Elements of which of the following group(s)
Question:

Elements of which of the following group(s) of periodic table do not form

hydrides.

(i) Groups 7, 8, 9

(ii) Group 13

(iii) Groups 15, 16, 17

(iv) Group 14

Solution:

Option (i) Groups 7, 8, 9 is the answer.

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