Selenium has atomic number 34.In its ground state,how many electrons are in its n = 2 shell?
A)2
B)8
C)10
D)16

Name: Selenium has atomic number 34.In its ground state,how many electrons are in its n = 2 shell? A)2 B)8 C)10 D)16
Brand: Quizplus
Rating: 5.0 (41 reviews)

Question

Quizplus · Accepted Answer

In the ground state, the n=2 shell can hold a maximum of 8 electrons. For selenium, which has an atomic number of 34, the electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁴. The n=2 shell (2s² 2p⁶) contains 8 electrons.

Selenium Has Atomic Number 34