What two other elements have similar chemical properties to barium?
Beryllium Be 4 [He]2s2 Magnesium Mg 12 [Ne]3s2 Calcium Ca 20 [Ar]4s2 Strontium Sr 38 [Kr]5s2 Barium Ba 56 [Xe]6s2 Radium Ra 88 [Rn]7s2 There is also another article that talks about the properties and uses of Argon(gas) and Barium
