Which statement is true for the particles in all phases of matter? They are free to move past one another.
They are always in motion.
They stay in the same shape and have equal distance between them.
They all have the same amount of kinetic energy.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.