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Modern Physics Matching Terms Activity

Match the term with definitions by drawing a line between the two columns.

Term Description
Fission Negatively charged particle that orbits the nucleus
Atomic NumberThe total number of nuclear particles does not change
Mass NumberWhen a nucleus is split into smaller pieces
FusionThe number of protons found in the nucleus
Radioactive decayPositively charged particle found in the nucleus
Alpha particleNeutral particle found in the nucleus
RadiationAn element with the same atomic number but different mass number
IsotopeWhen two atoms fuse to form a new element
Nuclear conservationThe total number of neutrons plus protons
ProtonWhen an atom spontaneously breaks up, releasing a particle or energy
NeutronIonising high energy particles or electromagnetic radiation
ElectronA helium nucleus with a +2 charge