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61642 Results for
- Peer Augustinski
- Ludwig Augustinsson
- Aurelius Augustinus
- Otávio Augusto
- Augustow
- Gaius Iulius Caesar Octavian...
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- Svend Auken
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Aufbauprinzip
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ARTS - PHOTOGRAPHY - ARCHITECTURE
The aufbau principle , also called the aufbau rule, states that in the ground state of an atom or ion, electrons fill subshells of the lowest available energy, then they fill subshells of higher energy. For example, the 1s subshell is filled before the 2s subshell is occupied. In this way, the electrons of an atom or ion form the most stable electron configuration possible. An example is the configuration 1s2 2s2 2p6 3s2 3p3 for the phosphorus atom, meaning that the 1s subshell has 2 electrons, and so on.
Wikipedia contributors, "Aufbauprinzip," Wikipedia, The Free Encyclopedia,
ABOUT THE GERMAN LANGUAGE