d and f BLOCK ELEMENTS

To which block do elements with progressively filled 5f orbitals belong?

• s-block
• p-block
• d-block
• f-block

To which block do elements with progressively filled 4f orbitals belong?

• s-block
• p-block
• d-block
• f-block

Which series of elements is known as the actinoids?

• 3d
• 4d
• 5d
• 5f

Which series of elements is known as the lanthanoids?

• 3d
• 4d
• 5d
• 4f

Which of the following is the 5d series of transition metals?

• Sc to Zn
• Y to Cd
• La and Hf to Hg
• Ac and Rf to Cn