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02-10-2021
Chemistry

contestada

Which of element has the most valence rings?
Beryllium
Potassium
Tin
Radon

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02-10-2021

Answer:

Radon

Explanation:

Radon has 86 electrons and so it's energy levels is 2,8,18,32,18,8 which is 8 valence rings.

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