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22-12-2020
Chemistry

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How many valence electrons does selenium have?

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22-12-2020

Answer:

six electrons

Explanation:

The six electrons in the outermost shell allow selenium to have a variety of valence numbers. Selenium compounds have been found that have valences of -2, 4, and 6. Speaking of the number six, selenium is found to have six naturally occurring isotopes.

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