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ID number:610302
 
Author:
Evaluation:
Published: 28.07.2025.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Tomsona atoma modelis
Pirmais mēģinājums izveidot atoma modeli (1903. g.) pieder Dž. Tomsonam. Pēc Tomsona uzskatiem, elektroneitrālā atomā ir noteikts skaits elektronu, kas it kā “peld” pozitīvi lādētā lodveida (rādiuss 10–10 m) formas elektriskajā šķidrumā. Ja elektriskajā šķidrumā pozitīvais lādiņš un negatīvie elektroni novirzās pretējos virzienos, atoms polarizējas. Šādi izskaidroja vielas dielektriskās īpašības. To mēdz saukt arī par “plūmju pudiņa” modeli.

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