List of Alkali Earth Metals Published on: April 9, 2020 | Last Updated on: August 15, 2023 by Fraiser Moorhouse Group of element – Alkali Earth Metal NameSymbolAtomic NumberAtomic weigthBerylliumBe49.012182MagnesiumMg1224.305CalciumCa2040.078StrontiumSr3887.62BariumBa56137.327RadiumRa88-226.0254