a. Atomic #= 3 b. Mass #=7 c. # of Protons = d. # of Neutrons = e. # of Electrons = E in Ist energy level = E in 2nd energy level = E in 3rd energy level = 0 # of Valence E = Li

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.