The quantum numbers of the last electron of cesium are ________. A)n = 5,ℓ = 0,m_ℓ = 0,m_s = +1/2 B)n = 6,ℓ = 1,m_ℓ = 0,m_s = +1/2 C)n = 6,ℓ = 1,m_ℓ = 1,m_s = +1/2 D)n = 6,ℓ = 0,m_ℓ = 0,m_s = +1/2 E)n = 6,ℓ = 2,m_ℓ = 2,m_s = +1/2

Question

Quizplus · Accepted Answer

Cesium's last electron enters the 6s orbital, which corresponds to quantum numbers n = 6, ℓ = 0 (s orbital), m_ℓ = 0 (only one orientation for s orbital), and m_s = +1/2 (spin up).

The Quantum Numbers of the Last Electron of Cesium Are