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This element belongs to group 18 and period 3
hope this helps.....
hope this helps.....
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if the atomic no. of an element is 18 than it's electronic cofrigation is
2,8,8 so it has total 3 shells therefore it belongs to 3rd period.
and it has 8 no. of valence electron so it also belongs to 18th group..
2,8,8 so it has total 3 shells therefore it belongs to 3rd period.
and it has 8 no. of valence electron so it also belongs to 18th group..
cm411:
hmm ask...
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