Overview
All data
5 statements · 20% with external sources · numbers in brackets are citations
On other databases
3 identifiers linking f-block across the web's reference databases
5 statements · 20% with external sources · numbers in brackets are citations
3 identifiers linking f-block across the web's reference databases
From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0
A block of the periodic table is a set of elements unified by the atomic orbitals their valence electrons or vacancies lie in. The term seems to have been first used by Charles Janet. Each block is named after its characteristic orbital: s-block, p-block, d-block, f-block and g-block.