Physics, asked by MirImdadAli, 4 months ago

What are the valency of element X and Y whose atomic numbers are 7 and 14 respectively?

Answers

Answered by hanumanthagowda030

0

Answer:

Hii I don't have any idea

Answered by shivanagraj22

2

Answer:

electronic configuration of element x is 2,5

then valency of element x is 3 and element name is nitrogen

electronic configuration of element y is 2,8,4

then the valency is 4 and element name is silicone

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