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# Wow, that would be pretty violent!
(, Sun 9 May 2004, 6:24, archived)
# it is
if you went one more down the row, to radium I think, it'd be both violent and radioactive :)
(, Sun 9 May 2004, 6:26, archived)
# I thought cesium was radioactive
Didn't they use it in the atomic clocks?
(, Sun 9 May 2004, 6:31, archived)
# they do
but it isn't radioactive

the official definition of a second is a certain number of vibrations of a cesium atom when held at a certain temperature, so they just measure that. Atomic doesn't necessarily mean radioactive :)
(, Sun 9 May 2004, 6:32, archived)
# You're right, of course
(, Sun 9 May 2004, 6:34, archived)
# I haven't watched these yet
but these should be interesting, probably from the same video I saw in chemistry class

www.bgsu.edu/departments/chem/faculty/jtodd/chem100/sp2003/supp/pt.htm

no, it isn't. how disappointing
(, Sun 9 May 2004, 6:39, archived)