Quantum model of atom - Physics Stack Exchange
Aug 13, 2025 · In quantum physics, the evolution of a measurable quantity is described by an observable whose value at a given time is a linear operator. The possible results of measuring …
What is wrong with the Bohr model? - Physics Stack Exchange
May 25, 2014 · In addition, the Bohr model applies classical mechanics to model the electron, e.g. using the notion of centripetal force, but the approach neglects and is completely against the …
quantum mechanics - How are electrons really moving in an atom ...
Nov 25, 2022 · The quantum mechanical model of an atom is a fantastic calculation tool. The electron is modeled as a point particle in a superposition of position eigenstates that adds to a …
quantum mechanics - Why do two electrons having the same spin …
Jan 16, 2025 · In quantum mechanical model of atom, orbitals of different shells overlap. For eg- 1s and 2s orbital have high probability density near nucleus. so if both are filled then there is a …
Quantum model of the atom - Physics Stack Exchange
Oct 21, 2020 · The crucial insight of quantum mechanics is that one cannot associate all physical quantities in a well-defined manner with a particle at once. Certain physical quantities are …
What is the difference between the Bohr model of the atom and ...
Bohr model is ad hoc -type one trick pony for explaining energy levels of hydrogen atom. Two dimensional toy model cannot represent the real world. Bohr's theory is not quantum …
Why don't electrons crash into the nuclei they "orbit"?
It also explained the lines observed in the spectra from excited atoms as transitions between orbits. If you study further into physics you will learn about quantum mechanics and the …
What do atomic orbitals represent in quantum mechanics?
Jan 14, 2021 · Wikipedia instead states that In atomic theory and quantum mechanics, an atomic orbital is a mathematical function describing the location and wave-like behavior of an electron …
quantum mechanics - The stability of an atom - Physics Stack …
Apr 10, 2017 · 1 I've read about different models of atom proposed in 18$^ {th}$ and 19$^ {th}$ centuries, of which the most vital were JJ Thomson's model, followed by Rutherford's nuclear …
Quantum Mechanical Interpretation of Rutherford Experiment
Oct 2, 2021 · These lead to the semiclassical Bohr model and finally to quantum mechanics for describing with accuracy interactions at the atomic level. Quantum mechanics uses the …