simultaneously drop a coin and a crupled-up piece of paper from the same height. if the effects of air resistance are negligible, both will have the some motion and hit the floor at the same time.?​

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