| Elements | River | One country through which it flows is... |
| Iodine Neodymium Uranium Sulphur | |
| Thorium Americium Einsteinium | |
| Gallium Nitrogen Germanium Sulphur | |
| Selenium Iodine Neon | |
| Europium Phosphorus Hydrogen Radium Tellurium Sulphur | |
| Lithium Fluorine Iron Yttrium | |
| Neon Carbon Potassium Argon | |
| Selenium Vanadium Erbium Nitrogen | |
| Hydrogen Uranium Darmstadtium Oxygen Nitrogen | |
| Oxygen Hydrogen Iodine Oxygen | |
| Rhodium Oxygen Neon | |
| Neon Neon | |
| Carbon Americium | |
| Iodine Selenium Rhenium | |
| Phosphorus Oxygen | |