Question

How did Bohr prove that an atom must exist?

Answer 1

Answer:

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Bohr decided that his energy levels must correspond to orbits, or circular paths centered around the nucleus of the atom. ... On the other hand, when an electron loses energy, it falls back down to a lower energy orbit closer to the nucleus. The electron can never exist at distances in between allowed orbits.

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Answer 2

Answer:

Explanation:

The Quantum theory of Max Plank was used as a foundation for this model. According to Bohr's model revolving electron in an atom does not absorb or emit energy continuously. The power of a revolving electron is 'quantized' as it revolves only in orbits of fixed points, called 'energy levels' by him.