Sulphur: Stone Bridge in Sulphur, Oklahoma. Sulphur: Spring pool at Chickasaw National Recreation Area at Sulphur, Oklahoma. Sulphur: A creek that runs through the Park at Sulphur, Ok - 2007. Sulphur: Flower Park, Sulphur, OK. Sulphur: Tunnel under road that lead to a spring in Sulphur, Ok - 2007.
At room temperature hydrogen is a gas. It is a colorless, tasteless and odorless gas. It is the lightest gas. It is insoluble in water. It is highly inflammable and burns with blue flame forming water. Liquefication temperature of hydrogen is -252oC. Bond energy of H-H is 431 Kj/mole. Electro negativity of hydrogen is 2.1.
Hydrogen is the absolute smallest of all elements, so small that four billion, laid end to end, could fit on the head of one pin! At room temperature hydrogen is a clear gas. Hydrogen gas (H 2) is a molecule made of two hydrogen atoms bonded together.