Argon: Difference between revisions
Jump to navigation
Jump to search
imported>David Yamakuchi mNo edit summary |
imported>David E. Volk m (change to yellow for now) |
||
| Line 3: | Line 3: | ||
|background1=ffffff | |background1=ffffff | ||
|align=right | |align=right | ||
|elementColor= | |elementColor=ffe303 | ||
|elName=Argon | |elName=Argon | ||
|elMass=39.95 | |elMass=39.95 | ||
Revision as of 09:08, 8 April 2008
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Argon (symbol, Ar) is a chemical element with atomic number 18. It is an inert gas of the eighteenth group of the modern periodic table. It is present in a small quantity in the earth's atmosphere. It owes its non-reactivity mainly to its completely filled outermost shell.