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