NationMaster - Encyclopedia: F block

The f-block of the periodic table of elements consists of those elements for which, in the atomic ground state, the highest-energy electrons occupy f-orbitals. Unlike the other blocks, the conventional divisions of the f-block follow periods of similar atomic number rather than groups of similar electron configuration. Thus, the f-block is divided into the lanthanide series and the actinide series.

Related topics

Periodic table block
- s-block
- p-block
- d-block
- g-block
Electron configuration

Categories: Chemical element groups

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F-block - Wikipedia, the free encyclopedia (215 words)
	The f-block of the periodic table of the elements consists of those elements (sometimes referred to as the inner transition elements) for which, in the atomic ground state, the highest-energy electrons occupy f-orbitals.
	Unlike the other blocks, the conventional divisions of the f-block follow periods of similar atomic number rather than groups of similar electron configuration.
	Blocks: s-block -  p-block -  d-block - f-block - g-block

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