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Pearson Education, known since 2011 as simply Pearson, is the educational publishing and services subsidiary of the international corporation Pearson plc. The subsidiary was formed in 1998, when Pearson plc acquired Simon & Schuster 's educational business and combined it with Pearson's existing education company Addison-Wesley Longman . [ 1 ]
In nuclear physics, a magic number is a number of nucleons (either protons or neutrons, separately) such that they are arranged into complete shells within the atomic nucleus. As a result, atomic nuclei with a "magic" number of protons or neutrons are much more stable than other nuclei.
Introduction to Electrodynamics is a textbook by physicist David J. Griffiths.Generally regarded as a standard undergraduate text on the subject, [1] it began as lecture notes that have been perfected over time. [2]
Quantum mechanics is a fundamental theory that describes the behavior of nature at and below the scale of atoms. [2]: 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science.
Bell's theorem is a term encompassing a number of closely related results in physics, all of which determine that quantum mechanics is incompatible with local hidden-variable theories, given some basic assumptions about the nature of measurement.
Every answer and overall grade for a standardized test is evaluated identically, therefore reducing potential bias in the scoring system. [ 43 ] Promotes accountability: [ 39 ] [ 42 ] Standardized testing is used as a public policy strategy to establish stronger accountability measures for public education .
The Stern–Gerlach experiment was the first direct evidence of angular-momentum quantization in quantum mechanics, [23] and it strongly influenced later developments in modern physics: In the decade that followed, scientists showed using similar techniques, that the nuclei of some atoms also have quantized angular momentum. [ 20 ]
Lewis structure of a water molecule. Lewis structures – also called Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures (LEDs) – are diagrams that show the bonding between atoms of a molecule, as well as the lone pairs of electrons that may exist in the molecule.