Glossary · Chemistry
Periodic table
The chart of all chemical elements, arranged by atomic number in rows (periods) and columns (groups) with similar properties.
Where it comes up
In the game, 4 prompts ask about periodic table. 190 answers count in total; the common ones float, and 146 rare ones sink below the surface.
Examples
Answers to “Name an element that is a gas at room temperature”, the familiar end of the list:
- Oxygen
- Nitrogen
- Hydrogen
- Helium
- Neon
- Argon
Play it
Nearby in the glossary
How deep does your knowledge go?
Seven prompts a day, twenty seconds each. Obvious answers float on the tip of the iceberg; rare ones sink all the way to the trench.
▼ Start today’s iceberg ▼