The group 2 of the periodic table consist of 6 elements .These are Beryllium (Be), magnesium(Mg), Calcium (Ca), strontium(Sr), barium(Ba), radium (Ra). The name alkaline earth was given since the oxides are alkaline in nature and remain unaffected by heat or fire and exist in Earth's crust. Alkaline earth metals are also highly reactive and hence do not occur in the free … [Read more...] about Physical Properties of Alkaline Earth Metals