Explain the effect of electricity on Electrovalent and covalent compounds.
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The ion-pairs tend to adhere to one another in electrovalent compounds and very powerful forces hold the crystals together. Considerable energy is necessary to break the crystal lattice and separate the ions. The electrovalent compounds are, therefore, solid that are not easily vaporised
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Covalent compounds (solid, liquid, solution) do not conduct electricity. Metal elements and carbon (graphite) are conductors of electricity but non-metal elements are insulators of electricity. Ionic bonds are the electrostatic attraction between positive and negative ions.
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