lanthanon

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Noun

lanthanon - any element of the lanthanide series (atomic numbers 57 through 71)

lanthanide, lanthanoid, rare earth, rare-earth element

group, grouping - any number of entities (members) considered as a unit

terbium metal - a separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium

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References in periodicals archive ?

Chen, Catalytic Synthesis of Trichloro Salicylic Acid Amyl Ester by Lanthanon Solid Superacid Gd 3+ -SiO 2 /ZrO 2 , Contemporary Chemical Industry, 35, 100 (2006).

Preparation of Metal Oxide-Doped Solid Superacid Catalyst and its Catalytic Performance

However, compared with the transition metal-BTB frameworks reported, the lanthanon metal-BTB frameworks are less studied (14).

Synthesis and anti-myocarditis activity in a multifunctional lanthanide microporous metal-organic framework with 1D helical chain building units

An account by Seaborg of how he proposed (against strong opposition) that elements 90 to 92 represented the start of an analogous series to the lanthanons. The relation of Period to orbital filling.