d and f BLOCK ELEMENTS Quiz

• Red
• Green
• Blue
• Yellow

• Blue
• Red
• Green
• Colourless

• Yellow
• Blue
• Green
• Colourless

• It remains constant.
• It generally increases.
• It generally decreases.
• It fluctuates randomly.

• They have a large number of protons.
• They have a large number of electrons.
• They are highly electronegative.
• The energy levels of ns, (n-1)d, and sometimes (n-2)f orbitals are relatively close.