How does the kinetic-molecular theory explain diffusion?
a. Molecules stop moving once they
escape their containers.
b. Molecules lump together when forced
into small volumes.
c. Molecules become larger when they
have room to expand.
d. Molecules in motion collide and spread
in all directions.

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.

Atomic nuclei of almost all elements consist of