Waxaa laga yaaba in ay jiraan xariiqyo kala duwan oo loo yaqaan 'electron shells' oo ay ku jiraan xariiqyo kala duwan oo loo yaqaan 'electron shells' oo ay ku jiraan xariiqyo kala duwan oo loo yaqaan 'electron shells' oo ay ku jiraan xariiqyo kala duwan oo loo yaqaan 'electron shells'.
Magaalada Barkla