The speed of electrons in an atom is about 1×10^6m/s.But it is different in the different position of the atoms and the different states.
The speed of photon is about 3×10^8m/s.
The speed of electrons in an atom is about 1×10^6m/s.But it is different in the different position of the atoms and the different states.
The speed of photon is about 3×10^8m/s.