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Group 16 element

(Redirected from Chalcogen)
Oxygen (in a gas-filled tube)

Group 16 is the third last group in the periodic table. This group is called the oxygen family or the chalcogens. The elements in this group are oxygen, sulfur, selenium, tellurium, polonium and livermorium. The first two elements are nonmetals, elements are in between are metalloids and the last two are metals Polonium and livermorium are radioactive. Oxygen (as O2) is a colorless gas.

  • Sulfur

  • Selenium

  • Tellurium


Group 16 Element Media

  • Phase diagram of sulfur showing the relative stabilities of several allotropes

  • The four stable chalcogens at STP

  • Water (H
    2    O) is the most familiar chalcogen-containing compound.

  • Bismuth sulfide, a pnictogen chalcogenide

  • Greek fire, an early sulfur-related discovery

  • Dmitri Mendeleev's periodic system proposed in 1871 showing oxygen, sulfur, selenium and tellurium part of his group VI

  • Johann Wolfgang Döbereiner was among the first to notice similarities between what are now known as chalcogens.

  • Sulfur recovered from oil refining in Alberta, stockpiled for shipment in North Vancouver, British Columbia

  • Gunpowder, an application of sulfur

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