Describe the properties of noble gases. based on their electronic arrangement, explain whether they can exist alone in nature.

The answer to your question is below

Explanation:

Noble gases has  their levels of energy completed so they can not react with another element, they can not interchange electrons .

           electronic configuration

He               1 s ²

Ne               1s² 2s² 2p⁶

Ar                 [Ne] 3s² 3p⁶

Kr                 [Ar] 3d¹⁰ 4s² 4p⁶

Xe                [Kr] 4d¹⁰ 5s² 5p⁶

Rn                [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶

In the electronic configurations we can see that Noble gases have 8 electrons in their outermost shell, so they do not need to react to be stable, they are stable.

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