Question

________ element has one electron in the outermost shell and attains duplet configuration after accepting one more electron and attains stability.

A

Helium

B

Hydrogen

C

Lithium

D

Carbon

Medium

Solution

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Correct option is B)

Hydrogen has  in outermost shell, in order to achieve stability either  to be removed or added. When added it acquires a stable configuration forming duplet.

Solve any question of Hydrogen with:-

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