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)
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 :)
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)
www.bgsu.edu/departments/chem/faculty/jtodd/chem100/sp2003/supp/pt.htm
no, it isn't. how disappointing