Chemistry

Chemistry, 20.09.2021 08:00, genyjoannerubiera

Element X has three naturally occurring isotopes. The mass (amu) and % abundance of the isotopes are 37.919 amu (5.07%), 39.017 amu (15.35%), and 42.111 amu (79.58%). ... The isotopic masses and abundances are: 159.37 amu (30.60%), 162.79 amu (15. 79%), and 163.92 amu (53.61%).

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