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

автор:

Список переможців

Візуальний стиль

Параметри

Обрати інший шаблон

Відновити автоматично збережене: ?