What is the role of a proton in the atom? 1 point Contributes to an element's mass Determines the identity, or what element an atom is Determines how many electrons will be attracted All of the above

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates