CBSE · Class 11 · Chemistry · Structure of AtomWhat is the ground state electronic configuration of Chromium ($Z = 24$)?
Step-by-Step Solution
Chromium has an exceptional configuration $[Ar] 3d^5 4s^1$ due to the extra stability of half-filled $d$-orbitals.
Detailed Options Breakdown
Option : $[Ar] 3d^4 4s^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of Atom.
Option 1: $[Ar] 3d^5 4s^1$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: $[Ar] 3d^6 4s^0$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of Atom.
Option 3: $[Ar] 3d^3 4s^2 4p^1$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of Atom.
💡 Study Guide: This question tests core syllabus concepts from Structure of Atom. For formulas, key summaries, and mock exam reference guides, read the full Structure of Atom Revision Notes.