Alkaline earth metals show:

Since the outermost orbital contains only two electrons, alkaline earth metals show divalency by losing these two electrons.

Properties of alkaline earth metals

All alkaline earth metals have similar properties because they all have two valence electrons. They readily give up their two valence electrons to achieve a full outer energy level, which is the most stable arrangement of electrons.

The list of elements that are alkaline earth metals:

  • Beryllium (Be)
  • Magnesium (Mg)
  • Calcium (Ca)
  • Strontium (Sr)
  • Barium (Ba)
  • Radium (Ra)
  • Examples of alkaline Earth metals include calcium, which is needed for strong bones, and strontium, which is used for making cement and other products.
  • Strontium is a silver-coloured alkaline Earth metal that is even softer than calcium.
  • They have smaller atomic radii than alkali metals.
  • All the alkaline earth react with halogens to form halides. The halides are ionic crystals, except for beryllium chloride, which is a covalent compound

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