Задание
Заполни таблицу
Электронные оболочки атомов и ионов
| Атом или ион | Электронная оболочка |
| \(\mathrm{Na}\) | [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) |
| \(\mathrm{Cl}^{-}\) | [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) |
| \(\mathrm{Al}^{3+}\) | [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) |
| \(\mathrm{Ca}\) | [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) |
| \(\mathrm{Ca}^{2+}\) | [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) ; [ ] \(\mathrm{\bar{e}}\) |