The Noble Gases Flashcards
1
Q
What group are the noble gases?
A
0
2
Q
Properties of the noble gases
A
-inert/ unreactive (full outer shell)
-colourless
-not flammable
-low boiling points
3
Q
As you go down group 0, what are the trends?
A
-boiling point increases
-density increases
-atomic mass increases
4
Q
Uses of helium
A
Used in weather balloons and airships (low density, non-flammable)
5
Q
Uses of neon
A
Used for long lasting lit signs (unreactive, produce bright red light as electricity passes through)
6
Q
Uses of argon
A
Used in wine barrels to stop oxygen reacting with wine (denser than air, unreactive)
7
Q
Uses of krypton
A
Used for photography lighting (unreactive, produce bright white light as electricity passes through)