MediumChemistry
What are helium, neon, and argon called?
Riddle
What are helium, neon, and argon called?
Choose an answer
A.Halogens
B.Alkali metals
C.Reactive gases
D.Noble gasses
Hint: It's a 2-word phrase with 11 letters, starting with "N".
Answer
Noble gasses
Why this is the answer
Noble gases are inert because they have a full outer shell of electrons.
This riddle is filed under Science Riddles and rated Medium.