Problem: In the ground state of selenium, how many electrons share the quantum number: n = 4 _____________l = 2 ______________

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Selenium (atomic # = 34) = 34 electrons

Electron configuration:     1s22s22p63s23p64s23d104p4

n = 4

4s2 and 4p4

▪ 4s → 2 electrons

▪ 4p → 4 electrons

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Problem Details

In the ground state of selenium, how many electrons share the quantum number: 

n = 4 _____________

l = 2 ______________

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Our tutors have indicated that to solve this problem you will need to apply the The Electron Configuration: Quantum Numbers concept. You can view video lessons to learn The Electron Configuration: Quantum Numbers. Or if you need more The Electron Configuration: Quantum Numbers practice, you can also practice The Electron Configuration: Quantum Numbers practice problems.

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