Marble is 12 g and initially moving at 1.0 m/a to the right. It collided with marble 2, another 12 g marble, which is stationary. If the collision is perfectly elastic, which of the following best describes a possible outcome ?

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.