How many valence electron have selenium?

Answer 1

6. If you look at the electron configuration of Selenium, it is [Ar]3d^10 4s^2 4p^4, meaning 10 electrons are located in the 3rd shell, and a total of 6 are located in the 4th shell, the highest energy shell. The electrons in the 4s and 4p shells combined are the valence electrons, meaning there are 6 valence electrons on Selenium.

Answer 2

There are six valence electrons in Selenium.

Answer 3

This is a chemical element. You can find the how many electron in a single atom by using a Periodic Table.

Answer 4

6

Answer 5

6