Radioactivity

Understand radioactive decay, half-life and using radioisotopes safely.

Lessons in this chapter

• 23.1 Radioactivity all around us0625 – Topic 5.2.1
• 23.2 Radioactive decay0625 – Topic 5.2.3🎯 Practice
• 23.3 Activity and half-life0625 – Topic 5.2.4🎯 PracticeLaunch Simulation
• 23.4 Using radioisotopes0625 – Topic 5.2.5