Question

bhors's theory of atom

Answer 1

Bohr theory. a theory of atomic structure in which the hydrogen atom ( Bohr atom,) is assumed to consist of a proton as nucleus, with a single electron moving in distinct circular orbits around it, each orbit corresponding to a specific quantized energy state: the theory was extended to other atoms.


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Answer 2

$\huge{\textbf{\underline{\underline{Bohr's\;atomic\;theory}}}}$

• An atom consists of a nucleus at the center at the center and electrons are revolve around the nucleus in a definite circular path known as orbit.
• Each orbit will have definite amount of energy, therefore these levels are also known as stationary states.
• As long as the electron revolve in the particular orbit it doesn't loss or gain the energy.
• The angular momentum of the electron should be equal to integral multiple of $\frac{h}{2 \pi}$.
• If an electron jumps lower energy to higher level, it absorbs the energy, similarly when the electron jumps from higher energy level to lower energy level,it emits the energy.
• Energy released or absorbed is equal to different in the energy or 2 orbit and it is equal to frequency of the radiation.
• $\Delta E = h \nu \\ E_2 - E_1 = \Delta E$
• With the help of these postulates Bhor was able to derive the energy and radius of the orbit of hydrogen atom.
• $\gamma _n = {n}^{2} a_o \: \: (hydrogen \: atom)$

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