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Word origin: Cerium is named after the dwarf planet ... also called lanthanides. [See Periodic Table of the Elements] It oxidizes readily at room temperature. It can decompose slowly in cold ...

Periodic Table as Arranged by Mendelejeff attention ... to aluminium and scandium has also not been questioned. As cerium forms an oxide CeO. similar to SnO. and its salts resemble those of ...

It has been 150 years since Dmitri Mendeleev first published his Periodic ... Cerium is a soft, ductile, silvery-white, rare earth-metal that can be cut with a knife. When oxidised it forms a pale ...