NEETChemistryd and f Block Elements
What is the relationship between the filling of 4f orbitals and the beginning of the 5d series of elements?
Options
- AThe filling of 4f orbitals follows the 5d series.
- BThe filling of 4f orbitals precedes the 5d series.
- CThe filling of 4f orbitals occurs simultaneously with the 5d series.
- DThe filling of 4f orbitals has no relation to the 5d series.
Correct answer
B. The filling of 4f orbitals precedes the 5d series.
Step-by-step solution
The 4f orbitals must be filled before the 5d series of elements begin.