See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
15 cards from this deck
Radioactive decay
Becquerel (Bq)
Number of decays recorded by detector per second
A helium nucleus
Highly ionising
~5cm
Decreases by 2
Decreases by 4
An electron
Medium ionising
~50cm
Increases by 1
Stays the same
Low ionising
Don't change charge or mass
Select your subjects, and get access to A+ resources today.