'''Lithium''' is an [[element]] in the [[alkali metal]]s class of the [[periodic table]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> It is the lightest [[solid]] element -- about half the [[density]] of [[water]]. Like the other alkali metals, lithium reacts violently with water; it is usually stored in oil.
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'''Lithium''' is an [[element]] in the [[alkali metal]]s class of the [[periodic table]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> It is the lightest [[solid]] element—about half the [[density]] of [[water]]. Like the other alkali metals, lithium reacts violently with water; it is usually stored in oil.
Lithium was discovered in petalite in 1817, and isolated in 1821 by W. T. Brand and Sir Humphrey Davy, by electrolyis of lithium oxide.
Lithium was discovered in petalite in 1817, and isolated in 1821 by W. T. Brand and Sir Humphrey Davy, by electrolyis of lithium oxide.