Glossary · Chemistry
Noble gas
An element of group 18: helium, neon, argon, krypton, xenon, radon and oganesson. They barely react with anything.
In the game
You will meet noble gas in 3 prompts of Icillion. Of the 56 answers they accept, only 36 reach The Deep or below.
For example
From the prompt “Name a substance that is a gas at room temperature and standard pressure”, from the top of the iceberg:
- Oxygen
- Nitrogen
- Hydrogen
- Helium
- Neon
- Argon
- Carbon dioxide
- Methane
Prompts that use it
Related terms
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 ▼