Question

Answer any genius
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Answer 1

Answer:

E has half number of electrons in its fourth shell then its first shell means it has 1 electron in its 4 shell and it has same number of electrons in its 2nd and 3rd shell that is 8 so the elementsl is potassium (K)

1) Electronic configuration of element E is

2,8,8,1

2) Valency of E is 1

3) group = 1st

period = 4th

4) The nature of oxide of E is Basic or Alkaline and it is a metal oxide.

5) compound formed = KX