Protons, It has a positive charge, Neutron, It has no charge (neutral), Electron, It has negative charge, It is located in the nucleus, Protons and Neutrons, It is located outside the nucleus, Electrons.

Список переможців

Візуальний стиль

Параметри

Обрати інший шаблон

Відновити автоматично збережене: ?