Match each word with its definition.
1. one of the possible forms of an elements nuclei 2.
a hydrogen isotope having a mass number of 2 3.the amount of time required for one half of a sample of
radioactive material to decay
4. a hydrogen isotope having a mass number of 3
5. million electron volt
6. the particles in a nucleus that do not have an electrical
charge
deuterium
neutron
isotope
Mev
tritium
half-life