GENCHEM2 Pre-Test

Which state of matter has the lowest density?

• solids

• liquids

• gas

• vapor

It is the attractive forces between molecules.

• Intermolecular Forces

• Kinetic Forces

• Molecular Forces

• Chemical Forces

It is the intermolecular attraction between like molecules.

• capillary

• adhesion

• cohesion

• surface tension

It is the basic repeating structural unit of crystalline solids.

• crystal

• unit cell

• amorphous solid

• lattice

It is the number of atoms or ions surrounding an atom or an ion in acrystal lattice.

• packing spheres number

• lattice point number

• closest packing number

• coordination number

It is a process transforming a liquid to gas.

• condensation

• sublimation

• vaporization

• ionization

If the rate of a forward process is exactly balanced by the rate of the reverse process, it is called __________.

• molecular equilibrium

• static equilibrium

• kinetic equilibrium

• dynamic equilibrium

A type of solution where the solute is less than the capacity to dissolve is called __________.

• unsaturated

• saturated

• supersaturated

• super unsaturated

These are the properties that depend only on the number of solute particles in solution and not on the nature of the solute particles.

• fractional properties

• volatic properties

• organic properties

• colligative properties

It is a diserpersion of particles of one substance througout a dispersing medium made of another substance.

• solvation

• colloid

• semipermeable membrane

• hydropholic