Lanthanoids and actinoidsare placed inseparate rowsat thebottomof theperiodictable,Explain the reason for thisarrangement.

Lanthanoids and actinoidsare placed inseparate rowsat thebottomof thep

1.	Lanthanoids and actinoidsare placed inseparate rowsat thebottomof theperiodictable,Explain the reason for thisarrangement.
Answer» SOLUTION :These have beenplacedseparatelyat the bottomof theperiodictable FORCONVENIENCE . If theyare placedwithin the bodyof the periodictable inserialorder to increasingatomic NUMBERTHE periodictablewill becomeextremely longand cumbersome.