Group 16 element
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.jpg
Tellurium
Group 16 Element Media
Phase diagram of sulfur showing the relative stabilities of several allotropes
- Chalkogene.jpg
The four stable chalcogens at STP
- Phase diagram of solid oxygen.svg
- Brindis (24675281395).jpg
Water (H
2O) 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.
- AlbertaSulfurAtVancouverBC.jpg
Sulfur recovered from oil refining in Alberta, stockpiled for shipment in North Vancouver, British Columbia
- Black Powder Close Up.jpg
Gunpowder, an application of sulfur