Group 8 Elements Flashcards
1
Q
What are the elements in group 8
A
Helium, neon, argon, krypton, xenon, radon
2
Q
What is group 8 call
A
Noble gasses
3
Q
Properties of noble gases
A
They are odorless, colorless, non-flammable gas. As you go down the group: Density increases, melting/boiling point increase.
4
Q
What does it mean by monatomic gas?
A
They are gases that have only one single atom.
5
Q
Why are noble gas unreactive?
A
They has a full valence shell making them balanced
6
Q
Uses of Nobel gas
A
Helium= Fill up Party Ballons
Neon: Use in electrical signs
Argon=gas filled electrical light bulbs , street light
Krypton: filling gas for energy saving fluorescent lights]
