5. Think Crítically Suppose you had two samples of the same radioactive isotope. One sample had a mass of 25 g. The other had a mass of 50 g. Would the same number of particles be
ejected from each sample in the first hour? Explain.

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.