Think back to the video you just watched. Did the mass of the substance in the cup change after the tablets dissolve? What can you cite as evidence to support your answer? video:https://ocps. instructuremedia. com/embed/4fd1ae49-3e0b-4c0c-a211-0 40678393a54

The characteristics 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 an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.