hydrogen

Hydrogen - Wikipedia, the free encyclopediaIt's Elemental - The Element HydrogenHydrogenHydrogen - New World EncyclopediaHydrogen - Los Alamos National Lab: National Security ScienceWebElements Periodic Table of the Elements * Hydrogen ...Alternative Fuels and Advanced Vehicles Data Center: HydrogenHydrogen - Simple English Wikipedia, the free encyclopediaHydrogen ( 7-Dec-2008) - Formal Reasoning GroupHydrogen - 2008/9 Wikipedia Selection for schoolsThe Element Hydrogen - Basic Physical and Historical InformationHydrogen's properties, interesting facts, discovery, videos, images, uses, states, energies, appearance, characteristics and Did You Know?Hydrogen (chemical symbol H, atomic number 1) is the lightest chemical element and the most abundant of all elements, constituting roughly 75 percent of the elemental ...Hydrogen was recognized as a distinct substance by Henry Cavendish in 1776. Diagram of a * hydrogen atom.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. Hydrogen has the potential to revolutionize transportation and, possibly, our entire energy system. The *st and most abundant element in the universe ...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 properties; Crystal structure: hexagonal: Oxidation states: 1, ?1 (amphoteric oxide) Electronegativity: 2.20 (Pauling scale) Ionization energies: 1st: 1312.0 ...