Which is a component of john dalton’s atomic theory?
the ratio of atoms in a compound can vary.
the atoms of a single element differ.
an atom is a small particle that cannot be broken down.
atoms of different elements can be identical.

What is the relation between concentration of reactants and the rate of chemical reaction?

The grooves or folds of the brain are called

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?