'''Alkali earth metals''' are the second column of [[element]]s on the [[periodic table of the elements]]. They include [[beryllium]], [[magnesium]], [[calcium]], [[strontium]], [[barium]], and [[radium]]. | '''Alkali earth metals''' are the second column of [[element]]s on the [[periodic table of the elements]]. They include [[beryllium]], [[magnesium]], [[calcium]], [[strontium]], [[barium]], and [[radium]]. |