tennessium

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English

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Noun

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tennessium (uncountable)

  1. A rejected name for tennessine

Usage notes

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According to IUPAC guidelines in place in 2010, when said element was discovered, all new elements should have names ending in -ium. However, by the time tennessine was named (2016), IUPAC had changed its mind, hence the name tennessine, rather than tennessium.

See also

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