15. How does the valance electron configuration (entire last energy level configuration) relate to the number on the Periodic Table? Use the short hand notation in your group discussion.

answer; talc and gypsum;

the ratio of the conjugate base to the acid required to attain the desired ph.

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.