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| Name | Argon |
| Atomic Number | 18 |
| Atomic Weight | |
| Symbol | Ar |
| Melting Point ( °C ) | |
| Boiling Point ( °C ) | |
| Density (g/cm3) | |
| Earth crust (%) | |
| Discovery (Year) | |
| Group | |
| Electron configuration | |
| Ionization energy (eV) |
Argon was suspected by Henry Cavendish in 1785 but wasn't discovered until 1894 by Sir William Ramsay. [1] The element symbol for argon is Ar and the gas was produced by factorization of liquid air. [2] The element argon has the same solubility as oxygen. When argon is in the form of a gas and liquid it's colorless and odorless. It is also known as a non reactive gas and it can't form a true chemical compound. [2] This element is used in electric light bulbs, florescent lighting, filling photo tubes, and glow tubes. It is also used as a shield when it is an inert gas.
References
- ↑ Bentor, Y. Argon. Retrieved January 21, 2009, from http://www.chemicalelements.com/elements/ar.html
- ↑ 2.0 2.1 University of California.(2003). Argon. Retrieved January 21, 2009, from http://periodic.lanl.gov/elements/18.html
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