Which among the following chemical bond were described by Kossel and Lewis?

Which among the following chemical bond were described by Kossel and Lewis?

Q. Which among the following chemical bond were described by Kossel and Lewis?

  1. Metallic bond
  2. Polar covalent bond
  3. Coordinate bond
  4. Ionic and Covalent bond

Answer: Ionic and Covalent bond

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