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ShareSelenium is a chemical element in the periodic table that has the symbol Se and atomic number 34.
It is a toxic nonmetal that is chemically related to sulfur and tellurium.
It occurs in several different forms but one of these is a stable gray metallike form that conducts electricity better in the light than in the dark and is used in photocells.
For more information about the topic Selenium, read the full article at Wikipedia.org, or see the following related articles:
Germanium — Germanium is a chemical element in the periodic table that has the symbol Ge and atomic number 32. This is a lustrous, hard, silver-white, metalloid ... > read more
Tellurium — Tellurium is a chemical element in the periodic table that has the symbol Te and atomic number 52. A brittle silver-white metalloid which looks like ... > read more
Bromine — Bromine is a chemical element in the periodic table that has the symbol Br and atomic number 35. A halogen element, bromine is a red volatile liquid ... > read more
Lanthanum — Lanthanum is a chemical element in the periodic table that has the symbol La and atomic number ... > read more
Thallium — Thallium is the chemical element in the periodic table that has the symbol Tl and atomic number 81. This soft gray malleable poor metal resembles tin ... > read more
Indium — Indium is a chemical element in the periodic table that has the symbol In and atomic number 49. This rare, soft, malleable and easily fusible poor ... > read more
Bismuth — Bismuth is a chemical element in the periodic table that has the symbol Bi and atomic number 83. This heavy, brittle, white crystalline trivalent ... > read more
Actinide — The actinide series encompasses the 15 chemical elements that lie between actinium and lawrencium on the periodic table with atomic numbers 89 - 103. ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Selenium at Wikipedia.org. See the Wikipedia copyright page for more details.
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