In d-block elements the irregularity in electronic configuration occurs in _____?
In d-block elements the irregularity in electronic configuration occurs in _____?
ڈی بلاک عناصر میں الیکٹرانک ترتیب میں بے ضابطگی _____ میں پائی جاتی ہے؟
Explanation
Elements like Cr (24), Cu (29), and Mo (42) show irregular configurations due to extra stability of half-filled or fully filled d-orbitals.
Examples:
- Cr: [Ar] 3d⁵ 4s¹
- Cu: [Ar] 3d¹⁰ 4s¹
- Mo: [Kr] 4d⁵ 5s¹