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Formation of covalent bonds in compounds exhibits

Asked in JEE Main 2002 · Energy bands and band gap

(1) wave nature of electron
(2) particle nature of electron
(3) both wave and particle nature of electron
(4) none of these.

Answer: (1) wave nature of electron

Step-by-step solution

A covalent bond forms when the electron waves (orbitals) of two atoms overlap.

The shared electron density between the nuclei is a wave interference effect.

So covalent bonding shows the wave nature of the electron.

Why the other options are wrong

(2) A point particle cannot be shared between two nuclei; bonding needs overlapping wavefunctions.
(3) The bond itself is explained by wave overlap alone.
(4) Covalent bonding is a direct result of electron wave behaviour.

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