Most abundant elements in Earth's oceans
| Oxygen | 85.84% |
| Hydrogen | 10.82% |
| Chlorine | 1.94% |
| Sodium | 1.08% |
| Magnesium | 0.13% |
| Sulfur | 0.09% |
| Calcium | 0.04% |
| Potassium | 0.04% |
| Bromine | 0.007% |
| Carbon | 0.003% |
| @ | A | B | C | D | E |
| F | G | H | I | J | K |
| L | M | N | O | P | Q |
| R | S | T | U | V | W |
| X | Y | Z | # | ||