Lithium (Li) is a chemical element with atomic number (Z) 3, group 1, period 2, and atomic weight 6.94. The Lithium (Li) is the lightest solid metal, soft, silvery-white, with a low melting point and reactive that is the first of the alkalis in the periodic table, used in the battery, pottery industry and in medicine as an antidepressant. (Refer to the Chemical Element; Periodic Table)
Related Definitions in the Project: The Element and Substance
