Difference between revisions of "Argon"
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{{Element | name=Argon | symbol=Ar | anumber=18 | amass=39.9 amu | noe=18 | class=Non-metal | cstructure=Cubic | color=Colorless gas | date=1894 | discname=[[Sir William Ramsey]] | origname=From the Greek ''argon''. | uses=Lighting | obtained=Air }} | {{Element | name=Argon | symbol=Ar | anumber=18 | amass=39.9 amu | noe=18 | class=Non-metal | cstructure=Cubic | color=Colorless gas | date=1894 | discname=[[Sir William Ramsey]] | origname=From the Greek ''argon''. | uses=Lighting | obtained=Air }} | ||
| + | The most common of the noble gasses, it comprises .934% of the air's atmosphere.<ref>The New American Desk Encyclopedia, Penguin Group, 1989</ref> | ||
| + | |||
| + | ==References== | ||
[[Category:Elements]] | [[Category:Elements]] | ||
Revision as of 23:41, July 15, 2007
| Argon | |
|---|---|
| Properties | |
| Atomic symbol | Ar |
| Atomic number | 18 |
| Classification | Non-metal |
| Atomic mass | 39.9 amu |
| Other Information | |
| Date of discovery | 1894 |
| Name of discoverer | Sir William Ramsey |
| Name origin | From the Greek argon. |
| Uses | Lighting |
| Obtained from | Air |
The most common of the noble gasses, it comprises .934% of the air's atmosphere.[1]
References
- ↑ The New American Desk Encyclopedia, Penguin Group, 1989