The chalcogens (ore forming) (/ˈkælkədʒənz/ KAL-kə-jənz) are the chemical elements in group 16 of the periodic table. This group is also known as the oxygen...
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In chemistry, a chalcogen bond (ChB) is an attractive interaction in the family of σ-hole interactions, along with halogen bonds. Electrostatic, charge-transfer...
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Hydrogen chalcogenide (redirect from Chalcogen hydride)
Hydrogen chalcogenides (also chalcogen hydrides or hydrogen chalcides) are binary compounds of hydrogen with chalcogen atoms (elements of group 16: oxygen...
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one chalcogen anion and at least one more electropositive element. Although all group 16 elements of the periodic table are defined as chalcogens, the...
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Cobalt (section Oxygen and chalcogen compounds)
Cobalt is a chemical element; it has symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined...
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Onium ion (section Group 16 (chalcogen) onium cations)
mononuclear parent hydride of a pnictogen (group 15 of the periodic table), chalcogen (group 16), or halogen (group 17). The oldest-known onium ion, and the...
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Selenium (category Chalcogens)
(SeOCl2)—have been used as specialty solvents. Analogous to the behavior of other chalcogens, selenium forms hydrogen selenide, H2Se. It is a strongly odiferous, toxic...
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although serious doubts have been cast on the existence of PI5. Mixed chalcogen halides also exist. In the gas phase the phosphorus pentahalides have...
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Wickleder, Mathias S. (2007). Devillanova, Francesco A. (ed.). Handbook of chalcogen chemistry: new perspectives in sulfur, selenium and tellurium. Royal Society...
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Non-proteinogenic amino acids (section Chalcogen)
selenohomocysteine, selenomethionine and selenoethionine. Amino acids with the next chalcogen down are also found in nature: several species such as Aspergillus fumigatus...
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