Answer :
Niels Bohr first proposed that the electron in the hydrogen atom can have only certain energies.
Niels Bohr modeled the atom with electrons that could simplest have precise solid orbits. This model of the atom became the first to incorporate the quantum concept. That electron may want to best arise in unique orbits defined why factors consisting of hydrogen emitted and absorbed mild at specific wavelengths.
Niels Bohr proposed a principle for the hydrogen atom, based on the quantum idea that a few bodily quantities only take discrete values. Bohr proposed that electrons no longer radiate strength as they orbit the nucleus, but exist in states of constant strength that he referred to as desk-bound states. Bohr's paintings changed based totally on the emission spectra of hydrogen.
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