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Electrovalent combinations are a sort of chemical connection created when one or more electrons are transferred from one atom to another, resulting in the production of ions with opposing charges.

MgCl2, CaCl2, MgO, Na2S, CaH2, AlF3, NaH, KH, K2O, KI, RbCl, NaBr, CaH2, etc. are some examples.

The electrovalent combinations display the crucial traits listed below.

  • Crystalline In nature - electrovalent substances are often crystalline. They consist of positively and negatively charged ions bound together in a crystal lattice by electrostatic forces of attraction. Examples include potash alum, copper sulphate, and sodium chloride.
  • High melting and boiling points - Because the ions are held together by powerful electrostatic forces, electrovalent substances have high melting and boiling values.

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