Hydrogen: The most plentiful element in the universe and one present in all organic compounds. Hydrogen is a gas with an atomic number of 1 and the symbol H.
Two isotopes of hydrogen -- deuterium and tritium -- have been used as tracers in metabolic studies. Tritium is a long-lived weak emitter of radiation and can be easily incorporated in large molecules such as DNA, and is therefore much used for autoradiography in the laboratory.
Antoine Lavoisier coined the name hydrogen from the Greek hydro (water) + genes (forming), reflecting the fact that water is generated by the combustion of this element.
Library > Literature & Language > Dictionary ( hÄ« ' drÉ™-jÉ™n ) n. ( Symbol H ) A colorless, highly flammable gaseous element, the lightest of all gases and the most ...
Hydrogen Up to: Sustainability FAQ. Hydrogen is often advocated as an energy medium. Here are some relevant facts. Hydrogen is the lightest of the elements with an atomic ...
Brief description: hydrogen is the lightest element. It is by far the most abundant element in the universe and makes up about about 90% of the universe by weight.
Hydrogen's properties, interesting facts, discovery, videos, images, uses, states, energies, appearance and characteristics.
Hydrogen is an advanced drum machine for GNU/Linux. It's main goal is to bring professional yet simple and intuitive pattern-based drum programming.