Write the atomic symbol (A ZX) for each of the following isotopes. a. Z $ 8, number of neutrons $ 9 b. the isotope of chlorine in which A $ 37 c. Z $ 27, A $ 60 d. number of protons $ 26, number of neutrons $ 31 e. the isotope of I with a mass number of 131 f. Z $ 3, number of neutrons $ 4