Question #167989

Show that the orbit nearest to the nucleus in the hydrogen atom accommodates one electron waves. Given that the energy of the electron in the orbit is 13.6 eV, h=6.625x10-34Js, m=9.11x10-31kg, Bohr radius r1 =5.292x10-11 m.


1
Expert's answer
2021-03-04T11:56:07-0500

The angular momentum for the electron in the first Bohr orbit is


mvr0=h2π.mvr_0=\frac{h}{2\pi}.

Rearrange and notice there is de Broglie wave:


2πr0=hmv=λ.2\pi r_0=\frac h{mv}=\lambda.

Substitute the values and get


λ=2πr0=333 pm.\lambda=2\pi r_0=333\text{ pm}.

Thus, the orbit nearest to the nucleus in the hydrogen atom accommodates one electron wave.


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Comments

Sherine Horo
04.03.21, 22:22

Thanks!

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