'''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]]. | '''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]]. |