Radium 226, which decays according

  1. Radium decays exponentially. Its half-life is 1,690 years. How long will it take for a 50-gram sample of radium to be reduced to
    1. answers icon 3 answers
    2. Anonymous asked by Anonymous
    3. views icon 3,442 views
  2. i need help solving this. Can you guys show me how it's done.Radium-226 decays by alpha emission to radon-222, a noble gas.What
    1. answers icon 0 answers
    2. kenny asked by kenny
    3. views icon 1,115 views
  3. Suppose a radioactive substance decays according to the equation whererepresent the mass in grams after hours. Assume that the
    1. answers icon 1 answer
    2. blue asked by blue
    3. views icon 242 views
  4. Radium-226, in grams, decays in such a way that after t years, the amount left over can be modeled by the equation A (t)=
    1. answers icon 1 answer
    2. views icon 82 views
  5. Radium-226, in grams, decays in such a way that after t years, the amount left over can be modeled by the equation
    1. answers icon 1 answer
    2. views icon 31 views
  6. Radium-226, in grams, decays in such a way that after t years, the amount left over can be modeled by the equation
    1. answers icon 1 answer
    2. views icon 24 views
  7. Question Radium-226, in grams, decays in such a way that after t years, the amount left over can be modeled by the equation
    1. answers icon 1 answer
    2. sayletyler asked by sayletyler
    3. views icon 13 views
  8. Marie Curie first identified the element radium in 1898. She found that the radium-226 (mass 3.77x10^-25 kg) decays by emitting
    1. answers icon 2 answers
    2. Amber asked by Amber
    3. views icon 626 views
  9. Radium has a half-life of 1620 years and decays into radon, which has a half-life of 3.82 days. A 10-gm source of radium is
    1. answers icon 0 answers
    2. Nivia asked by Nivia
    3. views icon 519 views
  10. Radium 226, which decays according to the function A(t)=A0e^kt where t is the time in years, has a half life of 1612 years. Find
    1. answers icon 1 answer
    2. Jim asked by Jim
    3. views icon 900 views