6
Selenium has 6 valence electrons. It belongs to group 16 of the periodic table, so it has 6 electrons in its outermost energy level.
Two valence electrons
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.
H2Se has six valence electrons. Each hydrogen contributes one valence electron, and selenium contributes four.
Selenium is Atominc number: 34 It has 6 Valence electrons Therefore you take 6 from 34: 28 core electrons
Selenium has 6 valence electrons
Selenium has 6 valence electrons. It belongs to group 16 of the periodic table, so it has 6 electrons in its outermost energy level.
6 valence electrons
6 valence electrons
Six valence electrons
6. Valence electrons are the electrons in the s and p orbitals. Keeping this in mind, Se has the 4s orbitals filled (2 electrons) and has 4 electrons filled in the 4p orbital (4p4). 2+4 = 6.
6
A neutral atom of aluminum has 3 valence electrons.
A neutral atom of fluorine contains 7 valence electrons.
A neutral atom of oxygen would have 6 valence electrons.
Two valence electrons
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.