From this App you can learn :

List the f‐block elements, classify them into lanthanides and actinides.
Write their electronic configurations of lanthanides and actinides.
Describe the extraction methods of lanthanides and actinides.
Give various separation methods of lanthanides.
Discuss the general physical and chemical properties of inner transition elements.
Compare the properties of transition and inner transition elements.
Examine the difference in behavior of lanthanides and actinides.
Give the uses and applications of f–block elements and their compounds.

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This topic covers under Chemistry subject as a part of the Metals and NonMetals topic
and this topic contains following sub topics
Inner Transition Metals
Isotopes of Lanthanides
Characteristics of Lanthanides
Chemical Properties of Lanthanides
Actinides
Comparision of Lanthanides and Actinides