1. What particle is released when an unstable isotope undergoes alpha radiation?

2. Which process involves the splitting of large nuclei?

3. What type of nuclear reaction occurs in the Sun?

4. Which particle has a positive charge?

5. Choose the particle that has no charge.

6. This particle determines what element you have - the elements identity.

7. An electron has a _____ charge.

8. What are the maximum number of electrons that go on the first 3 energy levels?

9. What are valence electrons?

10. Which particles make up the nucleus of an atom?