lanthanoid contraction is caused due to:

Lanthanide contraction is caused due to -

Lanthanide contraction is caused due to -

Lanthanoide contraction is due to

The lanthanoid contraction is related to

Lanthanoid contraction implies

Lanthanoid contraction is due to increase in

Lanthanoid contraction is due to increase in

(a) What is Lanthanoid contraction? Give the cause of lanthanoid contraction. (b) Why do transition metals form many coloured ions?