I ive in Spain without the a
Author Comments
Promethium's longest lived isotope 145Pm is a soft beta emitter with a half-life of 17.7 years. It does not emit gamma rays, but beta particles impinging on elements of high atomic numbers can generate X-rays, and a sample of 145Pm does produce some such soft X-ray radiation in addition to beta particles.
Can't...Look...Away...
...
Gosh, it eats my brai, it EATS my brain ! (lol)
Well it was funny...I think ^^
Dude what the hell
im so freakin confused. I mean it was hilarious, but im lost
Perfect
couldn't be any better
What is this? science class
I dont want to learn about promithium or whatever, this is gonna be like borithim or whatever the hell its called. It's gonna end up in the obituaries along with all the other shit thats bern submitted lately
psychojester responds:
protip: pitorp
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- Jun 13, 2007
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