Group 18 Noble Gases By: Sarah Whitaker and Landon Hanna.

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Presentation transcript:

Group 18 Noble Gases By: Sarah Whitaker and Landon Hanna

Noble Gases Block- P Valence shell electron configuration Helium-S 2 Neon-S 2 p 6 Argon-S 2 p 6 Krypton-S 2 p 6 Xenon-S 2 p 6 Radon-S 2 p 6 The VSEC affects the Properties: It makes them very stable

Properties Odorless Colorless Tasteless Stable and non-reactivity They are six naturally occurring elements Are liquids over a very small temperature range Have been involved in lighting, welding and space exploration. Helium is also in tanks for scuba diving Change in properties: Radon is radioactive.

Krypton Discovered by Sir William Ramsay, a Scottish chemist and Morris M. Travers, an English chemist in Sources: One pound per meter in air Uses: in photographic flashes for high speed photography Unique: in 1960, the length of the meter was defined in terms of the orange-red spectral line of Krypton-86.

Helium Discovered by: Jules- Cesar Janssen, a French astronomer in Sources: Natural air Uses: Breathing, filling balloons Unique: Helium is the second most abundant element in the universe