What makes some elements stable and others radioactive? Scholars adjust the number of protons and neutrons in an element then observe its decay. The simulation includes a graphical representation and the chemical formula, as well as listing the decay type and half-life for each trial.

Concepts

radioactive decay, radioactive isotopes, radiation, nuclear equations, half lives, nuclear power

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Additional Tags

science

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Instructional Ideas

• Research the difference between alpha decay, beta decay, and electron capture before using the simulation
• Discuss the facts and myths about Marie Curie

Classroom Considerations

• Requires a free CK-12 account to access the interactive

Pros

• Includes a walk-through video that could double as a short lecture video due to the content covered
• Briefly reviews the Big Bang and origin of various elements

Cons

• None

Common Core

RST.9-10.4 RST.11-12.4