the electronic configuration of an element X is 2 8 6 to which group and period of modern periodic table does X belong state its valency and justify your answer in each case
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Answered by
55
The element has 4 shells which means that it actually belongs under the 4th period.
The element also consists of only 2 valence electrons meaning that it actually belongs in the 2nd group.
As far as valency goes,the element has a valency of 2 because it can lose 2 of its electrons which can let it obtain the configuration of noble gas.
shanayahere:
Ur answer is totally wrong...
Answered by
14
The group is 16 and period is 3
It is in right side that's why it's shells are 4 .
I HOPE this answer will help U
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