Prompt 5 of 7
Name a chemical element whose name ends in -ium
79 accepted answers across 5 rarity tiers.
100 ptsOne in a Krillion1 answer
The rarest possible answer — almost no player finds it.
- Ytterbium— One of four elements named after Ytterby, a Swedish village.
85 ptsDeep Cut46 answers
Genuinely obscure. Most players never think of it.
- Actinium
- Berkelium
- Bohrium
- Californium
- Cerium
- Copernicium
- Curium
- Darmstadtium
- Dubnium
- Dysprosium
- Erbium
- Europium
- Fermium
- Flerovium
- Francium
- Gadolinium
- Hafnium
- Hassium
- Holmium
- Indium
- Lawrencium
- Livermorium
- Lutetium
- Meitnerium
- Mendelevium
- Moscovium
- Neodymium
- Neptunium
- Nihonium
- Nobelium
- Praseodymium
- Promethium
- Protactinium
- Rhenium
- Roentgenium
- Rubidium
- Ruthenium
- Rutherfordium
- Samarium
- Scandium
- Seaborgium
- Technetium
- Tellurium
- Terbium
- Thulium
- Yttrium
60 ptsRare17 answers
Uncommon — only a minority of players land here.
- Americium
- Beryllium
- Cesium
- Einsteinium
- Gallium
- Germanium
- Iridium
- Niobium
- Osmium
- Palladium
- Polonium
- Rhodium
- Strontium
- Thallium
- Thorium
- Vanadium
- Zirconium
30 ptsSchooler10 answers
A solid, middling pick shared with plenty of other players.
- Aluminium
- Barium
- Cadmium
- Chromium
- Magnesium
- Plutonium
- Radium
- Selenium
- Titanium
- Uranium
10 ptsPlankton5 answers
The most common answer on the board.
- Calcium
- Helium
- Lithium
- Potassium
- Sodium