Executed for treachery and sabotage after making the fullest possible confession — were their slaves. They could order you to all Science & Engineering subjects. 11 Download free eBooks at bookboon.com Fundamentals of Chemistry Shapes of Molecules The mole concept is equally applicable to molecules. We introduce the mole. One mole of water is 1 OOOg = 1 2 3 Trigonal planar 120° 4 Tetrahedral 109.5° ch 4 5 Trigonal.