The half life of po m is 0 001 second. Learn more about how the half life formula is used or explore hundreds of other math finance fitness and health calculators.
I have included the answer key for easy grading.
Chemistry half life calculations worksheet. N t is the remaining quantity of a substance after time t has elapsed. Save time and energy with this free half life worksheet. The calculator can also convert between half life mean lifetime and decay constant given any one of the three values.
Os 182 has a half life of 21 5 hours. How much of a 10 g sample will be left after 0 003. This chemistry video tutorial shows explains how to solve common half life radioactive decay problems.
T is the half life. Use as a homework assignment end of lesson assessment or as part of a station activity. This worksheet allows students to practice solving all types of problems involving half life.
The number of unstable nuclei remaining after time t can be determined according to this equation. It shows you a simple technique to find the final amou. It is possible to calculate the amount of a radioactive element that will be left if we know its half life.
This set includes 2 worksheets that cover basic half life calculations and graphing. This free half life calculator can determine any of the values in the half life formula given three of the four values. N 0 is the initial quantity of this substance.
While this worksheet was designed for an honors level chemistry class it can easily be modified for lower ability students. A complete answer key is provided at the end. 1 2 3 0 125 the amount remaining after 3 half lives 10 0 g x 0 125 1 25 g remain 10 0 g 1 25 g 8 75 g have decayed note that the length of the half life played no role in this calculation.
N t n 0 0 5 t t. It is also possible to determine the remaining quantity of a substance using a few other parameters. Half life calculations nam half life is th time required for one half of a radioactive nuclide to decay change to another element.
How many grams of a 10 0 gram sample would have decayed after exactly three half lives.