Chapter 0, Problem 28RQ

Write the symbols of the isotopes that contain the following. (Use the table of atomic masses and numbers printed inside the front cover for additional information, as needed.)

(a) An isotope of iodine whose atoms have 78 neutrons

(b) An isotope of strontium whose atoms have 52 neutrons

(c) An isotope of cesium whose atoms have 82 neutrons

(d) An isotope of fluorine whose atoms have 9 neutrons