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Bismuth decays into thallium-193. Write the balanced equation.

Bismuth-214 decays to produce an isotope and an alpha particle. What is the isotope that is produced?. If you have 1000 radioactive nuclei and 31.25 are left after 2 hours, what is the half-life of the isotope?. Bismuth decays into thallium-193. Write the balanced equation.

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Bismuth decays into thallium-193. Write the balanced equation.

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  1. Bismuth-214 decays to produce an isotope and an alpha particle. What is the isotope that is produced?

  2. If you have 1000 radioactive nuclei and 31.25 are left after 2 hours, what is the half-life of the isotope?

  3. Bismuth decays into thallium-193. Write the balanced equation.

  4. Einsteinium-253 plus an alpha particle results in the formation of another isotope and the release of a neutron. What is the isotope?

  5. Yttrium-90 is a radioisotope used to treat pituitary gland cancer. It has a half-life of 64 hours. How much of a 20 g sample is left in the body after 448 hours?

  6. Plutonium-241 plus another particle results in the formation of plutonium-242 and the release of gamma rays. What is the other particle?

  7. Carbon-14 is used to date fossils and other artifacts. Carbon-14 has a half-life of 5,730 years. After 22,900 years, how much of a 25 g sample will remain?

  8. The half-life of sulfur-38 is 2.87 hours. After 8.61 hours, what percent of the original radiation is left?

  9. Write a balanced equation: Boron-10 plus a neutron results in formation of another element and the release of an alpha particle.

  10. Determine how many grams of Radon-222 will be left after one year if you start with exactly 10 g. Half-life of Radon-222 is 38 days.

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