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Chapter: 12th Chemistry : Transition and Inner Transition Elements

f-block elements - Inner transition elements

In the inner transition elements there are two series of elements. 1) Lanthanoids ( previously called lanthanides) 2) Actinoids ( previously called actinides)

f-block elements – Inner transition elements

In the inner transition elements there are two series of elements.

1) Lanthanoids ( previously called lanthanides)

2) Actinoids ( previously called actinides)

Lanthanoid series consists of fourteen elements from Cerium (58Ce) to Lutetium (71Lu) following Lanthanum (57La).These elements are characterised by the preferential filling of 4f orbitals, Similarly actinoids consists of 14 elements from Thorium (90Th) to Lawrencium (103Lr) following Actinium (89Ac).These elements are characterised by the preferential filling of 5f orbital.



Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail


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