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Author Topic: What Ten Radioactive Elements Have the Longest Half-Lives?  (Read 5770 times)

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Offline Marlin

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Offline GLW

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there has never been a good mnemonic for this one,.... :-\

been there, dun that,... the doormat to hell does not read "welcome", the doormat to hell reads "it's just business"

Offline Mike McFarlin

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Bismuth, Radium, Thorium, Protactinium, Curium, Plutonium, Uranium, Neptunium, Americium, Technicium
"Duty is the sublimest word in our language. Do your duty in all things. You cannot do more. You should never wish to do less." General Robert E. Lee, C.S.A.

Offline OldHP

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Folks tend to forget about Bismuth, Protactinium, and Neptunium unless they have them in large supply, or they cause a problem at their location!  But, too bad

there has never been a good mnemonic for this one,.... :-\

if there were, every one in the business could answer without going looking!   [SadPanda]  [2cents] :old: [coffee] (beer not coffee)!
Humor is a wonderful way to prevent hardening of the attitudes! unknown
The government is like a baby's alimentary canal, with a happy appetite at one end and no responsibility at the other. Regan

Offline Rennhack

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[coffee] (beer not coffee)!

There is an emoji for that... [beer]

Offline SloGlo

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Bismuth, Radium, Thorium, Protactinium, Curium, Plutonium, Uranium, Neptunium, Americium, Technicium

eye wood add tellerium-128,barium-130,
germanium-76,
xenon-136, and  tellerium-130.
it's knot rock it science. 
« Last Edit: Jan 18, 2016, 10:59 by SloGlo »
quando omni flunkus moritati

dubble eye, dubble yew, dubble aye!

dew the best ya kin, wit watt ya have, ware yinze are!

 


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