A metal sheet of cron has an area of 2cm? at a temperature of 15°C. if it is heated to a temperature of 85°C, what will be its final area at 85°C, what will be its final area at 85C7 (B=
2.4x10-51/co)

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material