Science / Geology / Halite: The mineral name for 'rock salt'. A chemical sedimentary rock that forms from the evaporation of ocean or saline lake waters. It is rarely found at Earth's surface, except in areas of very arid climate. It is often mined for use in the chemical industry or for use as a winter highway treatment. Some halite is processed for use as a seasoning for food. Picture of Halite.
Science / Periodic Table of Elements / Sodium (Na): Atomic number: 11, Atomic mass: 22.98977 g.mol -1, Electronegativity: 0.9, Density: 0.97 g.cm -3 at 20 °C, Melting point: 97.5 °C, Boiling point: 883 °C, Vanderwaals radius: 0.196 nm, Ionic radius: MORE