Numero atomic
numero de protones in le nucleo de un atomo From Wikipedia, the free encyclopedia
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numero de protones in le nucleo de un atomo From Wikipedia, the free encyclopedia
In chimia, le numero atomic[1] es le numero tote de protones in le nucleo de un atomo. Se frequentemente representa con le littera Z (del german Zahl, "numero"). Le numero atomic es characteristic de cata elemento chimic e representa un proprietate fundamental del atomo: su carga nuclear.
Numero atomic |
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subclasse de: number of entities[*], grandor physic |
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In 1913 Henry Moseley demonstrava le regularitate existente inter le valores de le longitudes de unda del radios X emittite per metallos differente postea esser bombardate con electrones, e le numeros atomic de iste elementos metallic. Isto permitteva le classification de le elementos in le tabella periodic in ordine crescente de numero atomic.
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