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Cerium

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LOL772

Lvl 6
3y ago
Updated: 6/7/2024

A soft, ductile, and silvery-white metal that tarnishes when exposed to air. It is the second element in the lanthanide series, and while it often shows the oxidation state of +3 characteristic of the series, it also has a stable +4 state that does not oxidize water. Cerium dioxide is employed in the optics industry for the fine polishing of glass.

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Darren Auberry

Lvl 4
1y ago

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