Radioactive Decay of Five Elements: Time Dependence of Remaining Mass
Initializing live version

Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
In this Demonstration, you can select the decay time and initial mass for one of five radioactive elements. The remaining mass of the element is then shown as a function of time.
Contributed by: Daniel Relix and Mito Are (Collin College) (March 2011)
Open content licensed under CC BY-NC-SA