Question

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Answer 1

Answer:

I) A gaseous non -metal of valency 3 have atomic number 7

ii) A metalloid of valency 4 have atomic number 14

3) The inert gas which satisfies the duplet duplet rule -Atomic number 2

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Answer 2

1. A gaseous non metal of valency 3 is 7 ( nitrogen ).

2. A mettaliod of valency 4 is 14 ( silicon ).

3. The inert gas which satisfies the duplet rule is 2 ( helium ).Please mark me as brainliest my frieendd plssss