Americium-241 has a half-life of 432.2 years. There are .00000033 g (33 micrograms) of Americium-241 in a smoke detector in your house. If you replace your smoke detector and throw it in the trash, how much would remain in the landfill after 1728.8 years?

Americium-241 is commonly used in small amounts in smokedetectors.
a. Americium-241 is an alpha emitter. Write the balanced nuclearequation showing this emission.

b. Americium-241 has a half-life of 432.2 years. To be extracautious, I replace my smoke detector every 5 years and throw theold one in the trash. Is that a good idea? Why or why not?

Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years. How long will it take in years for 42.0 % of an Am-241 sample to decay?

Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years. How long will it take in years for 31.0 % of an Am-241 sample to decay?