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Terms in this set (16)
Excited state of nucleus
The release of gamma rays from a nucleus
Nucleus not excited
The time it takes for half of the atoms in a radioactive element to break down
attraction or repulsion of particles or objects because of their electric charge.
Force holding nucleus together
the energy that holds a nucleus together, equal to the mass defect of the nucleus.
Movement of energy from one place or object to another
A change from one form of energy to another
Hardness, malleability, ductility, solubility, viscosity, state of matter, luster, density
Characteristic that cannot be observed without altering the substance (combustible, basic or acidic
A change in matter that produces one or more new substances
A reaction that ABSORBS energy in the form of heat
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