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- The periodic table has several blocks of elements, each named after the characteristic orbital of their valence electrons or vacancies1234:
- s-block: Elements in this block have their valence electrons in s orbitals.
- p-block: Elements in this block have their valence electrons in p orbitals.
- d-block: Elements in this block have their valence electrons in d orbitals.
- f-block: Elements in this block have their valence electrons in f orbitals.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.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.en.wikipedia.org/wiki/Block_(periodic_table)A block on the periodic table is a group of elements that all have their electrons in the same atomic orbital. There are four blocks, s-, d-, f, and p-.simple.wikipedia.org/wiki/Block_(periodic_table)a set of elements in the periodic table of elements, defined by shape of an orbital—s, p, d, or f—where the valence electron lies / From Wikipedia, the free encyclopedia A block on the periodic table is a group of elements that all have their electrons in the same atomic orbital. There are four blocks, s-, d-, f, and p-.www.wikiwand.com/simple/Block_(periodic_table)An element block is a set of elements located in adjacent element groups. Charles Janet first applied the term (in French). The block names (s, p, d, f) originated from descriptions of spectroscopic lines of atomic orbitals: sharp, principal, diffuse, and fundamental.www.thoughtco.com/periodic-table-element-blocks … - People also ask
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