The oxidation state of chlorine in this reaction changes from

Which best describes why nh4+ can form an ionic bond with cl-?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules