group 0 - noble gases Flashcards
1
Q
what are noble gas properties
A
they are all inert, colourless gases
monatomic
non flammable
hard to observe
2
Q
what are the everyday uses of the noble gases
A
argon - lightbulbs as non flammable prevent hot filament bufning away
helium and argon - protect metals being welded
helium - used in airships and balloons as it has lower density than air.
3
Q
what happens further down u go
A
boiling point density and melting point increase
app react in similar ways as they are in the same group
