Question

An element E on combining with oxygen produces E2O which is electrically conducting:
(a) How many electrons must be there in the outermost shell of the element E?
(b) To which group of the periodic table does the element E belong to?

Answer 1

Answer:

Element E is Hydrogen.

It combines with oxygen to form H2O viz. water.

a) There will be 1 electron in outermost Shell.

b)It belongs to group no 1

Explanation:

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