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chalcogen

[ kal-kuh-juhn, -jen ]

noun

  1. Chemistry. any of the elements oxygen, sulfur, selenium, tellurium, and polonium, which form the VIa group in the periodic table.


chalcogen

/ ˈkælkəˌdʒɛn /

noun

  1. any of the elements oxygen, sulphur, selenium, tellurium, or polonium, of group 6A of the periodic table
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of chalcogen1

First recorded in 1960–65; chalco- ( def ) + -gen
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Word History and Origins

Origin of chalcogen1

C20: from chalco ( pyrite ) + -gen
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Example Sentences

The rotational properties were enabled by adding molecular components that contained an atom from the 'chalcogen' group of elements in the periodic table, specifically sulfur or selenium, to a simple organic molecule: an amide compound.

We ran a few models and compared our isotope predictions for each model with the actual measurements of chalcogen isotopes on Earth.

From Salon

One of these was a chalcogen-containing gas that supplied chalcogen atoms for the TMC; the other gas was phosphorus, which provided further impurity atoms for TMC doping.

From Nature

Kadlag, Y. & Becker, H. Highly siderophile and chalcogen element constraints on the origin of components of the Allende and Murchison meteorites.

From Nature

The trick, he says, was to source each ingredient from gases in which each molecule contained just one atom of the transition metal or chalcogen.

From Nature

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chalcocitechalcogenide