How many unpaired electrons are found in the ground state electron configuration of bohrium (Bh)?
A) 5
B) 0
C) 1
D) 2
E) 3

Question

Quizplus · Accepted Answer

Bohrium (Bh) has an atomic number of 107, placing it in the d-block of the 7th period in the periodic table. Its electron configuration ends in 5f^14 6d^5 7s^2, following the Aufbau principle. The five electrons in the 6d subshell are unpaired, resulting in five unpaired electrons in its ground state.

How Many Unpaired Electrons Are Found in the Ground State