Atoms and Isotopes Worksheet

Based on this table, what is the relationship between density and atomic number? Element X has two natural isotopes. The isotope with a mass of 32 amu (32X) has a relative abundance of 29.91%. The isotope with a mass of 33 amu (33X) has a relative abundance of 70.09%. Calculate the atomic mass of this element. An element has three known isotopes. ................
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