Noble gases

By: Marcus Louis-JeunePer.4

10/21/11

The noble gases

• Helium- Least reactive element• Neon- second lightest inert gas.• Krypton- highly fluorescent, used in lamps.• Xenon- generally unreactive.• Radon- occurs naturally as a decaying product

of uranium.

Helium

• From the Greek word helios• Second lighest element.• Used in balloons.

Neon

• Greek for veov which means new one.• Its used in a lot of advertisment signs.• Second lightest inert gas.

Argon

• Greek for apyov which means lazy.• Almost undergoes no chemical changes• Argon is produced industrially.

Krypton

• Greek for kryptos which means the hidden one.

• Can be used in lighting and photography• It last 230,000 years.

Xenon

• Greek for xenos which means stranger.• First noble gas to be synthesized.• Used in lamps.

Radon

• Greek for nintens which means shining.• A health hazard due to its high radioactivity.• Second most frequent cause of lung cancer.

Noble gas video

• http://www.youtube.com/watch?v=iBlCtkQ6K0g