Chemistry, 21.07.2019 20:00 jaquisjones68
Americium-241 is a radioactive substance used in smoke detectors. the half life of americium is 432 years. if a smoke detector initially contains 1 gram of americium 241, how much will remain in 432 years? a) 0.5g b) 1.0g c) 1.5g d) 2.0g
Answers: 1
Chemistry, 21.06.2019 21:00
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Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?
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Americium-241 is a radioactive substance used in smoke detectors. the half life of americium is 432...
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