5 litres of alcohol have a mass of 4kg. calculate the density of alcohol in g/cm.​

Describe the path of a ray that approaches a mirror parallel to the principal axis.

Newtons view of arrangement of the universe

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