Question

(e)
The element in period 3 which does not form oxide.
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Answer 1

Answer:

elements of period 3 are Na,Mg,al,si,p,s,cl,ar

esily we can say Ar(argon) being noble gas cant form oxide

Answer 2

Answer:

The element in period 3 which does not form oxide.

ANSWER: Ar-Argon