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Particula incarcata cu sarcina pozitiva Proton
Particula incarcata cu sarcina negativa Electron
Particula subatomica neutra din punct de vedere electric Neutron
Particula cu masa neglijabila Electron
Particule care se gasesc in nucleu Nucleoni
Cea mai mica particula dintr-o substanta care nu poate fi divizata prin procedee chimice Atom
Numar atomic Indica numarul de protoni din nucleul unui atom
Numar de masa Indica numarul de nucleoni dintr-un atom
Z Numar atomic (sarcina nucleara)
A Numar de masa
Particule cu masa egala cu unitatea Proton, Neutron
Created by: pamfilia