Question

describe bohr's modle of
atom ​

Answer 1

Explanation:

Historically, Bohr’s model of the hydrogen atom is the very first model of atomic structure that correctly explained the radiation spectra of atomic hydrogen. The model has a special place in the history of physics because it introduced an early quantum theory, which brought about new developments in scientific thought and later culminated in the development of quantum mechanics. To understand the specifics of Bohr’s model, we must first review the nineteenth-century discoveries that prompted its formulation

Answer 2

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According to Bohr’s theory:

i. The atom consists of a small positively charged nucleus at its centre.

ii. The whole mass of the atom is concentrated at the nucleus and the volume of nucleus is smaller than the volume of the atom by a ratio of about 1:10.

iii. The nucleus contains all the protons and neutrons of the atom.

iv. The electrons of the atom revolve round the nucleus in definite circular paths known as orbits which are designated as K, L, M, N or numbered as n=1,2,3,4 outward from the nucleus.

v. Each orbit is associated with a fixed amount of energy. Therefore, these orbits are also known as energy levels or energy shells.