Lets make atom 1

In the atom the basic view of the atom is Proton and neutron tightly packed in very small volume inside nuclues and the electrons rotating like planets around the nucleus.  As discussed at the microscopic world the wave nature of matter become important. So No! No! we can't see the atom as our planetary system.

NO NO This is not the Right model of atom

There is a particular wave length associated with electron at a particular speed. and a complete wave length around the nucleus is required for movement. In this state (full wavelength) electron do not emit the EM Radition while moving around the nucleus. when a photon is absorbed by the electron of the energy required to jump up the orbits --- the electron jump to the upper orbits. when electron come back to lower orbits it emit photon of frequency corresponded to the jump enegry.

The electron transitions in hydrogen atom

See below the sinusoidal wave completing a complete circle. 0 to 2 pie is its one wave length.

See other sinsuidal wave having two complete wavelength and completing the 0 to 4 pie.

But Electron have to revolve in a 2 Pie space or 360 degree and to complete its two wave length in same space.

Circular standing wave

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