Bismuth-210 has a half life of 5.0 days. If you start with 100 g of bismuth-210,...
Radioactive bismuth, Bi-210 (half-life of 5.0 days), decays to polonium, Po-210. Radioactive Po-210 (halflife of 138 days) decays to stable lead, Pb-206. a) Draw the decay scheme for Bi-210 to Po-210. b) Draw the decay scheme for Po-210 to Pb-206. c) If you start with 5.0 X 10-3 Ci of pure Bi-210, calculate the activity of Bi-210 and Po-210 after 30 days.
What is the half-life of bismuth-210 if 10.3 days are required for the activity of a sample of bismuth-210 to fall to 24.2 percent of its original value? days
Bismuth-210 (mass 209.9841049u) has a half life of 5.013 days. This nucleus might decay by either beta-minus or positron processes. Some possible products with masses are Polonium-209(208.9824158u), Polonium-210(209.9828574u), Polonium- 2111210.9866369u), Lead-209(208.9810748u) Lead-210/209.9841731u), Lead-211(210.9887315u). Polonium has Z-84 and lead has Z-82. What is the final product and how much energy is released? The nuclear mass uc 931.5 MeV. Electrons and positrons have rest energy of 0.511 Mev Bismuth-210 (mass 209.9841049u) has a half life of 5.013 days. This nucleus might decay...
If a substance has a half-life of 3.70 days, and there are initially 50.0 g of the substance, how many grams will remain after precisely three weeks? Report your answer with three significant figures.
8) Bismuth-212 has a half-life of I hour. If 40g of radioctive Bismuth-212 is collected, how much will remain radioactive after 5 hours? Answer
Bismuth-212 has a half-life of 1 hour. If 40g of radioactive Bismuth-212 is collected, how much will remain radioactive after 5 hour?
Cesium-137 has a half-life of 30 years. If you start with 1.0 g of 137Cs, how much 137Cs will be remaining after 60 years? O 0.30 g O 0.50 g O 0.90 g O 0.00 g O 0.25 g SUBMIT
The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced to a mass of 4 mg. What was the initial mass (in mg) of the sample? What is the mass 5 weeks after the start? Submit Question
a certain radioisotope has a half life if 6 hrs. if you start out with 50g of the isotope, how much of it is left after 2 days?
A Radioactive sample contains 2.1g of an isotope with a half- life of 3.8 days. How much of the isotope in grams will remain after 10.0 days? Express the answer to 3 significant figures.