Noble Gases

Elements

3 interesting facts

• One thing interesting about this is that Helium and neon are kind of like a stay put elements.
• Another thing is that the other elements will only react to certain conditions.
• Krypton will form a solid with fluorine.

Elements in the "real" world

• You can use noble gases for arc welding
• you can use it to dilute oxygen in the oxygen tanks
• And you can use it to fill light bulbs.

Helium

Helium characteristics

Helium facts

• Atomic Number- 2
• Atomic mass- 4.0026
• Nonmetal
• 0.1786 g/L is the density and it would float in water

Where would you find helium in the real world

• In balloons that you have for a party.
• Also in deep sea breathing systems.
• And finally in providing lift in airplanes.

3 interesting facts about helium

• Helium has the lowest boiling and melting points than any other element.
• Second lightest element ever.
• And helium usually only exists in gases except for extreme conditions.

Historical facts about helium

• One historical fact is that it was discovered in 1868 by Norman Lockyer and Pierre Jansen.
• Another historical fact was that Lockyer gave the element the name helium.