Multiple choice

Which model of the atom is used today?

  1. Plum Pudding Model

  2. Bohr Model

  3. Electron-Cloud Model

  4. Billiard Ball Model
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C Correct answer
Explanation

The electron-cloud model (also known as the quantum mechanical model) is the modern model of the atom used today. It describes the regions around the nucleus where electrons are most likely to be found, rather than fixed orbits like the Bohr model.

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