1.

{:(" i. Boron family",,"(a) Group 17"),("ii. Carbon family",,"(b) Group 16"),(" iii. Nitrogen family",,"(c) Group 13"),("iv. Chalogen family",,"(d) Group 15"),("v. Halogen family",,"(e) Group 14"):}

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SOLUTION :i-c, ii-e, iii-d, iv-b, v-a


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