The Bohr model seemed to work pretty well for atoms with only one electron. ... For example, the oxygen atom has eight electrons, the atom of iron has 26 electrons.

Bohr’s atomic model was utterly revolutionary when it was presented in 1913 but, although it is still taught in schools, it became obsolete decades ago. However, its creator also developed a ...

Bohr’s Model of an Atom: Students get to know the Bohr’s Model of an Atom. Find out what are its limitations and the postulates it is based on.

But instead of solving the Bohr-model problem, Hagen applied the “variational principle” – a technique usually reserved for approximating quantum-mechanical systems that cannot be solved analytically ...

One hundred years after Niels Bohr published his model of the atom, a special issue of Nature explores its legacy — and how much there is still to learn about atomic structure.

The Bohr model successfully predicts hydrogen energy levels with good accuracy, but it’s a wrong in every other way. The first problem with the Bohr model ... for example, the electron only has ...