Bohr's model of hydrogen atom.

Chemistry Level 2

What is the kinetic energy of an electron in the 4th Bohr orbit of hydrogen atom?

Notation:

• $$a_{0}$$ is the radius of 1st Bohr orbit of hydrogen atom

• $$\hbar = \dfrac{h}{2\pi}$$ where $$h$$ is the Planck's constant

• $$m$$ is the mass of an electron

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