Talk:Caesium-137

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[edit] Biological Half-thing

"The biological half-life of caesium isotopes is short (about 100 days for Cs-137)"

I don't think the biological half-life would depend on the isotope, as all isotopes share the same chemical properties. --131.159.36.61

Shouldn't the term be biological half *time*? --Kayvan.walker

[edit] Confusion?

What does the following mean: "The photon energy of Ba-137m is 662 keV"? Is that to say that when Cs decays a photon is emitted and it has aforementioned energy? --Master Bob 03:36, 24 September 2007 (UTC)