• Group 2 elements are referred to as “alkaline earth’ metals (tan column below) Calcium compounds are widely found in limestone, marble, and chalk.
  • Barium compounds can be used in paints, filler for rubber, plastic, and resins.
  • Magnesium alloys with aluminum provide light weight and sturdy materials for airplanes, missiles, and rockets.
  • Radium is a radioactive element and is generally under the category of radioisotopes in addition to being an alkaline earth metal, because it is not a stable element.
Select from the frequently asked questions below