d and f BLOCK ELEMENTS Quiz

• Because the d-orbitals fill before the s-orbitals
• Due to the greater stability associated with half-filled or completely filled d-subshells
• Because the s-orbitals are always filled first
• Because the atomic number is even

• (n-1)d⁰ns¹⁻²
• (n-1)d¹⁻¹⁰ns¹⁻²
• (n-1)d¹⁰ns⁰⁻¹
• ns¹⁻²np¹⁻⁶

• 1
• 2
• 10
• 0

• 2
• 1
• 10
• 0

• 1
• 2
• 8
• 0