Question

answer c ... which is correct one

Answer 1

Na is the answer ok ....

Answer 2

hey there friend ....
here's your answer ......
we know that for making the compound XCL the element X should have 1 as it's valency and in the given options we have sodium (Na) , which has 1 valence electron .....so our answer would be option(a)Na ......
hope it helps......
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