| Hydrogen | |
| Helium | |
| Lithium | |
| Beryllium | |
| Boron | |
| Carbon | |
| Nitrogen | |
| Oxygen | | Mutagen, Reproductive Effector, Human Data |
|
| Fluorine | |
| Neon | |
| Sodium | |
| Magnesium | N/A |
| Aluminum | |
| Silicon | |
| Phosphorus | | Agricultural Chemical And Pesticide, Reproductive Effector, Human Data |
|
| Sulfur | N/A |
| Chlorine | N/A |
| Argon | |
| Potassium | |
| Calcium | N/A |
| Scandium | N/A |
| Titanium | | Tumorigen, Reproductive Effector |
|
| Vanadium | |
| Chromium | |
| Manganese | | Tumorigen, Human Data, Primary Irritant |
|
| Iron | |
| Cobalt | |
| Nickel | | Tumorigen, Mutagen, Reproductive Effector |
|
| Copper | | Tumorigen, Reproductive Effector, Human Data |
|
| Zinc | | Mutagen, Human Data, Primary Irritant |
|
| Gallium | |
| Germanium | |
| Arsenic | | Tumorigen, Drug, Mutagen, Reproductive Effector, Human Data |
|
| Selenium | | Tumorigen, Reproductive Effector |
|
| Bromine | |
| Krypton | N/A |
| Rubidium | |
| Strontium | N/A |
| Yttrium | |
| Zirconium | |
| Niobium | |
| Molybdenum | | Mutagen, Reproductive Effector |
|
| Technetium | N/A |
| Ruthenium | N/A |
| Rhodium | |
| Palladium | |
| Silver | |
| Cadmium | | Tumorigen, Mutagen, Reproductive Effector, Human Data |
|
| Indium | |
| Tin | |
| Antimony | N/A |
| Tellurium | |
| Iodine | | Reproductive Effector, Human Data |
|
| Xenon | N/A |
| Cesium | |
| Barium | |
| Lanthanum | N/A |
| Cerium | N/A |
| Praseodymium | N/A |
|
|