Question

Sulfur occurs naturally as four isotopes: 32S with a mass of 31.9721 amu, 33S with a mass of 32.9715 amu, 34S 33.9679 amu, 36S with a mass of 35.9671 amu. Based on the information that is given on the periodic table, which isotope is the most abundant

Answer 1

My periodic table give 32.066 as the average; which of those listed is the closest to 32.066? That will be the most abundant isotope.