Half life of radioactive isotopes docx sh jir open new. How old is a bone if it presently contains 0 3125g of c 14 but it was estimated to have originally contained 80 000g of c 14.
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Some of the worksheets for this concept are half life work atoms half life questions and answers half life of paper mms pennies puzzle pieces licorice half life ws radioactive decay half life work half life practice work.
Half life worksheets. Half life displaying top 8 worksheets found for this concept. Half life of radioactive isotopes name. When the living thing dies the carbon 14 begins to decay at a steady rate with a half life of 5 730 years.
Edit your docs with microsoft word online. Half life with answer displaying top 8 worksheets found for this concept. 5 6 if 250 mg of a radioactive material decays to 200 mg in 48 hours what is the 1 2 life of the material.
Some of the worksheets for this concept are half life work half life ws half life graph work name date class half life work radioactive decay half life work half life practice work. Jim deposits 1000 into a bank that pays 8 annual interest compounded continuously. After 42 days a 2 0 g sample of phosphorus 32 contains only 0 25 g of the isotope.
While this worksheet was designed for an honors level chemistry class it can easily be modified for lower ability students. Some of the worksheets for this concept are half life work half life ws half life graph work name date class half life work radioactive decay half life work half life practice work. Carbon 14 is a radioactive isotope found in small amounts in all living things.
4 a radioactive element has a half life of 1000 years. Displaying top 8 worksheets found for half life. Sodium 24 has a half life of 15 hours.
As 81 33 seconds au 198 2 69 days c 14 5730 years. What is the half life of a radioactive isotope if a 500 0g sample decays to 62 5g in 24 3 hours. How much sodium 24 will remain in an 18 0 g sample after 60 hours.
Polonium 214 has a relatively short half life of 164 seconds. This worksheet allows students to practice solving all types of problems involving half life. What percentage of the sample remains after 250 years.
A complete answer key is provided at the end. Once you find your worksheet click on pop out icon or print icon to worksheet to print or. What is the half life of phosphorus 32.
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