| Elements | Common Theme |
| Seaborgium, Copernicus, Gadolinium | |
| Ytterbium, Darmstadtium, Lutetium | |
| Indium, Iodine, Zircon | |
| Gold, Silver, Titanium | |
| Promethium / Vanadium / Mercury | |
| Uranium, Plutonium, Neptunium | |
| Bromine, Mercury | |
| Americium, Francium, Germanium | |
| Argon, Dysprosium, Lanthanum | |
| Meitnerium, Curium, Niobium | |
| Plutonium, Americium, Berkelium | |
| Osmium, Bromine | |
|