[ Home ] [ Atomic Structure ] [ Periodic Table ] [ pH ] [ Rates of Reaction ] [ Alkanes ] [ Elements ] [ Chemical Bonds ] [ Catalysts ] [ Chemical equations in biology ] [ Chromatography ] [ Deuterium ] [ Tritium ] [ Group I ] [ Group II ] [ Group III ] [ Group IV ] [ Group V ] [ Group VI ] [ Group VII ]
Oxygen
Sulphur
Selenium
Tellurium
Polonium
O
S
Se
Te
Po
Oxygen is the gas we breathe in. It makes up about one fifth of the atmosphere.
Sulphur is a yellow solid.
Selenium is a.
Tellurium is a.
Polonium is a.
[ Deuterium ] [ Tritium ] [ Group I ] [ Group II ] [ Group III ] [ Group IV ] [ Group V ] [ Group VI ] [ Group VII ]
Last revised: 10 November 2006
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