The largest principal quantum number in the ground state electron configuration of barium is

A) 1
B) 2
C) 4
D) 5
E) 6

Name: The largest principal quantum number in the ground state electron configuration of barium is A) 1 B) 2 C) 4 D) 5 E) 6
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Question

The largest principal quantum number in the ground state electron configuration of barium is

A) 1
B) 2
C) 4
D) 5
E) 6

Quizplus · Accepted Answer

The ground state electron configuration of barium is [Xe]6s². The last electron is in the 6s orbital, which corresponds to the principal quantum number of 6. Therefore, the largest principal quantum number is 6.

The Largest Principal Quantum Number in the Ground State Electron