A chemical reaction takes place in which energy is released. Arrange the reaction's characteristics in order from start to finish. lower energy of reactants, higher energy of products, higher energy of reactants, transion state, lower energy of products.

Compare and contrast physical changes with chemical changes.

Label a-f based on the table using c for concentrated and d for dilute

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.