See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
15 cards from this deck
Henri Becquerel, 1896
Unstable nuclei spontaneously break down, releasing energy
Helium nuclei (2 protons, 2 neutrons)
+2+2+2
High-speed electrons from nucleus
−1-1−1
High-frequency electromagnetic radiation
000 (no charge)
Paper or few cm of air
Few mm of aluminium
Thick concrete (1 m) or lead
Alpha > Beta > Gamma
Decreases by 4
Decreases by 2
Increases by 1
Select your subjects, and get access to A+ resources today.