Practice free →
Home › CBSE Class 12 (Science) › Chemistry › The d- and f-Block Elements › The ground state outer configuration of chromium…

The ground state outer configuration of chromium (Z = 24) is

A3d4 4s2
B3d6 4s0
C3d3 4s2 4p1
D3d5 4s1
Answer & Solution
Correct answer: D. 3d5 4s1
The 3d and 4s levels are close in energy, so one 4s electron moves to 3d to give the stable half-filled 3d5 4s1 arrangement.
Solve this in the app — CBSE Class 12 (Science) practice & 24k+ MCQs →
Related questions