Understanding types and characteristics of radioactivity.
The meaning and uses of atomic numbers.
Using atomic mass to understand isotopes.
Understanding the alpha decay of radioactive substances.
Understanding the half-life of a radioactive substance.
Understanding the two types of beta-decay of radioactive substances.
How radioactive elements change their identities through transmutation.
How radioactive substances undergo fission to reach more stable states.
How radioactive substances undergo fusion to reach more stable states.