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A bond formed by the transfer of electrons between atoms of the elements is called

  • A.Ionic bond
  • B.Covalent bond
  • C.Co ordinate bond
  • D.None

Answer: A

This is an ionic bond, also called an electrovalent bond.

One atom loses electrons and the other gains them, and the resulting oppositely charged ions are held by electrostatic attraction - as in \(\mathrm{Na^+Cl^-}\). It forms when the electronegativity difference is large, typically above about 1.7.

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