Part c
now build a model of salt. place your materials on a sheet of paper. the regular-size marshmallows can represent the
larger chlorine atoms, and the mini marshmallows can represent the smaller sodium atoms. connect the marshmallows
with toothpicks using the picture as a guide. what was difficult about building the model?

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.