Match the following elements with their symbols. 1. mercury Ag 2. silver Au 3. gold Hg 4. aluminum Mg 5. iron Ca 6. helium Ni 7. calcium Al 8. magnesium Fe 9. nickel He

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Which samples do the atoms have the least kinetic energy