Question

what is the valency of selenium​

Answer 1

Explanation:

Selenium specifically has an electron configuration of 2-8-18-6. 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.

Answer 2

Electronic configuration of Selenium = (2,8,18,6)

Valency of Selenium = 2

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