Chemistry!!. March 20, 2013 Ms. Boon. Objective: I can write a nuclear reaction equation and calculate the age of a sample using radioactive decay data. Agenda: Catalyst Mouse trap reactor Radioactive decay and nuclear reactions practice Portfolio Build. Catalyst.
March 20, 2013
Objective: I can write a nuclear reaction equation and calculate the age of a sample using radioactive decay data.
Video Focus Questions:
p. 670 #32: When a radon-222 nuclear decays, an alpha particle is emitted. Write the nuclear equation to show what happens when a radon-222 nucleus decays.
He + 2
p. 671 #47: The radiation given off by iodine-131 in the form of beta particles is used to treat cancer of the thyroid gland. Write the nuclear equation to describe the decay of an iodine-131 nucleus.
p. 660 #1: Assuming a half-life of 1599 y, how many years will be needed for the decay of 15/16 of a given sample.
p. 662 #1: The half-life of polonium-210 is 138.4 days. How many mg of polonium-210 remain after 415.2 days if you start with 2.0 mg of the isotope?