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americium

   Also found in: Dictionary/thesaurus, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
americium /am·er·ic·i·um/ (Am) (am″er-is´e-um) a chemical element, at. no. 95.
am·er·i·ci·um (m-rsh-m)
n. Symbol Am
A white metallic synthetic element of the actinide series whose longest-lived isotopes, Am 241 and Am 243, are used as radiation sources for bone mineral analysis and in treating cancer. Atomic number 95.
americium (Am)
[am′ərish′ē·əm]
a synthetic radioactive element of the actinide group. Its atomic number is 95; its atomic mass is 243.
americium
a chemical element, atomic number 95, atomic weight 243, symbol Am. See Table 6.


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They last only 10 years and contain radioactive Americium 241, so send dead ones back to the manufacturer.
How to recycle practically anything by Deneen, Sally / E
To create them, scientists slammed atoms of calcium and americium together at about 32,000 kilometers per second (20,000 miles per second) using a particle accelerator machine.
Table for two by Price, Sean / Science World
" It found that the levels of plutonium and radioactive americium "detected at Lowry Landfill are 10 to 10,000 times greater than the average or maximum background levels reported for Rocky Flats," the notorious nuclear weapons plant near Boulder.
Plutonium Pancakes by Fantle, Will / The Progressive
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