An element has an electronic configuration of 2, 8, 8. So based on this information, the element X is a

Alkali metal

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Alkali earth metal

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Halogen

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Noble gas

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Solution

The correct option is D
Noble gas

Since the last shell contains 8 electrons the element has to be a noble gas. These elements are inert in nature because of completely filled outer shell configuration.

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An element has an electronic configuration of 2, 8, 8. So based on this information, the element X is a

The correct option is D Noble gas Since the last shell contains 8 electrons the element has to be a noble gas. These elements are inert in nature because of completely filled outer shell configuration.

The correct option is D
Noble gas

Since the last shell contains 8 electrons the element has to be a noble gas. These elements are inert in nature because of completely filled outer shell configuration.