The atomic mass of an atom equals the sum of the masses of the
a. protons and electrons
b. electrons and neutrons
c. protons and neutrons
d. none of the above

Drag each tile to the correct box arrange the layers not order from oldest to youngest

Compare and contrast the bohr model and the electron cloud models of the atom.

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?