57. write the atomic symbol (4x) 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
58. write the atomic symbol (4x) for each of the isotopes de-
scribed below.
a. number of protons = 27, number of neutrons = 31
b. the isotope of boron with mass number 10
c. z = 12, a = 23
d. atomic number 53, number of neutrons = 79
e. z= 20, number of neutrons = 27
f. number of protons = 29, mass number 65