Khan Academy
Khan Academy: Half Life and Carbon Dating
Carbon dating is a real-life example of a first-order reaction. This video explains half-life in the context of radioactive decay. [12:28]
Khan Academy
Khan Academy: Half Life Plot
Definition of half-life and graphing the decay of phosphorus-32. Calculating how much phosphorus-32 remains after 57.2 days. [6:42]
Khan Academy
Khan Academy: Science: Quantum Physics: Nuclei: Half Life Plot
Definition of half-life and graphing the decay of phosphorus-32. Calculating how much phosphorus-32 remains after 57.2 days. [6:46]