Write the uses of i. alkali metals ii. alkaline earth metals

Monjur Alahi

Write the uses of 

i. alkali metals 

ii. alkaline earth metals


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Salim Ahmed Kawsar

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i. Uses of alkali metals:

  • Lithium metal is used in long-life batteries used in digital watches, calculators and computers.
  • Liquid sodium is used for heat transfer in nuclear power stations.
  • Potassium chloride is used as a fertilizer
  • Potassium is used in manufacturing potassium superoxide (KO2) for oxygen generation. It is good absorbent of carbon dioxide.
  • Caesium is used in photoelectric cells.

ii. Uses of alkaline earth metals:

  • Beryllium is used as a moderator in nuclear reactors.
  • Alloy of magnesium and aluminium is widely used as structural material and in aircrafts.
  • Calcium ions are important ingredient in biological system, essential for healthy growth of bones and teeth.
  • Barium sulphate is used in medicine as barium meal for intestinal X-ray.
  • Radium is used in radiotherapy for cancer treatment.
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