Question

1. Arrange in order of decreasing intermolecular forces CH3OH, He, CH3Cl, N2

1a. Which. Indicate the presence of a weak intermolecular force: high viscosity, high boiling point, high critical temperature , high vapor pressure, high density

1b. Each of the following is a gas at 25 degrees celcius and 1 atmosphere. Which will liquidify most easily when compressed at constant temperature: F2, H2, HF, CH4

1c. The number of nearest neighbors (atoms that make contact) around each atom in a face centered lattice of metal is: 2,4,6,8,12

1d. SrF2 crystallizes suchnthat Sr2+ ions are in a face-centered cubic arrangement and the F- ions are in the holes of the lattice (fluorite structure). How many F- ions are present in one unit cell crystal? 1,2,4,6,8

Answer 1