Besonderhede van voorbeeld: 422314632736593201

English

A proton is part of an atom.[1] They are found in the nucleus of an atom along with neutrons.[1] The periodic table groups atoms according to how many protons they have.

Finnish

Massaluku (tunnus A) on atomin ytimessä olevien nukleonien lukumäärä eli protonien ja neutronien lukumäärien summa[1].