FHSST Physics/Atom/Heisenberg Uncertainty Principle

The Free High School Science Texts: A Textbook for High School Students Studying Physics
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The Atom
Models - Structure - Isotopes - Energy Quantization - Periodicity of Ionization Energy - Successive Ionization Energies - Bohr Orbits - Heisenberg Uncertainty Principle - Pauli Exclusion Principle - Ionization Energy - Electron Configuration - Valency

Heisenberg Uncertainty Principle edit

Quantum mechanics is a physical theory that describes the behavior of physical systems at short distances. Quantum mechanics provides a mathematical framework derived from a small set of basic principles capable of producing experimental predictions for three types of phenomena that classical mechanics and classical electrodynamics cannot account for: quantization, wave-particle duality, and quantum entanglement. The related terms quantum physics and quantum theory are sometimes used as synonyms of quantum mechanics, but also to denote a superset of theories, including pre-quantum mechanics old quantum theory, or, when the term quantum mechanics is used in a more restricted sense, to include theories like quantum field theory.

Quantum mechanics is the underlying theory of many fields of physics and chemistry, including condensed matter physics, quantum chemistry, and particle physics.