The root mean square speed of a gas molecule is greater than the average speed, because the former gives a greater weight to : a. lighter molecules.
b. heavier molecules.
c. higher speeds.

it would be kevlar ^^

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

it was given as a lesson and guide for prayer.