Inorganic · f-Block
Lanthanides & Actinides (f-Block)
Exam-focused revision notes on Lanthanides & Actinides (f-Block) for CSIR-NET Chemical Sciences, GATE Chemistry and IIT-JAM — the core concepts, the formulas worth memorising, the traps that cost marks, and a quick-recall table.
Filling of the f orbitals
The 4f orbitals are buried beneath the filled 5s and 5p shells, which is why lanthanide chemistry is so uniform across the series.
What this note covers
- 1Filling of the f orbitals
- 2Lanthanide contraction
- 3Oxidation states
- 4Colour & magnetism
- 5Actinides — how they differ
- 6Separation techniques
- 7Common traps students miss
- 830-second recall table
Read the full note
The remaining 7 sections — including the worked examples, the common-traps list and the quick-recall table — are part of ChemVidya Full Access, along with 6,000+ practice questions.
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