How did j. j thomson's discovery affect the model of the atom?
a. it proposed that atoms are mostly composed of empty space
b. it proposed that electrons orbit the nucleus like the planets in the solar system.
c. it proposed the idea that electrons were mobile in the atom.
d. it proposed that the positive charge was concentrated in the nucleus.

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action