A quantum number is a value that is used when describing the energy levels available to atoms and molecules.
It defines the exact position of electron in atom.
photo owner: Universiteit Leiden
FORSCHUNGSZENTRUM JUELICH NEWS RELEASE — Scanning tunnelling microscopes capture images of materials with atomic precision and can be used to manipulate individual molecules or atoms. Researchers have been using the instruments for many years to explore the world of nanoscopic phenomena. A new approach is now creating new possibilities for using the devices to study quantum effects.
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