Hydrogen BondingA low-energy attractive force between hydrogen and another element. It plays a major role in determining the properties of water, proteins, and other compounds.
HydrogenHydrogen. The first chemical element in the periodic table. It has the atomic symbol H, atomic number 1, and atomic weight 1. It exists, under normal conditions, as a colorless, odorless, tasteless, diatomic gas. Hydrogen ions are PROTONS. Besides the common H1 isotope, hydrogen exists as the stable isotope DEUTERIUM and the unstable, radioactive isotope TRITIUM.
RoleThe expected and characteristic pattern of behavior exhibited by an individual as a member of a particular social group.
|