____________ element has one electron in its outermost shell and attains duplet configuration after one more electron and attains stability.

Hydrogen

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Fluorine

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Helium

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Berrylium

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Solution

The correct option is A Hydrogen
Hydrogen has one electron in its outermost shell and attains duplet configuration after one more electron and attains stability.

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____________ element has one electron in its outermost shell and attains duplet configuration after one more electron and attains stability.

The correct option is A HydrogenHydrogen has one electron in its outermost shell and attains duplet configuration after one more electron and attains stability.

The correct option is A Hydrogen
Hydrogen has one electron in its outermost shell and attains duplet configuration after one more electron and attains stability.