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Iron Has Four Naturally Occurring Isotopes, One of Which Is

Question 36

Multiple Choice

Iron has four naturally occurring isotopes, one of which is far more abundant that the others.Iron has an average atomic mass of 55.845 amu.Which isotope is most abundant?


A) 54Fe, 53.9396 amu
B) 56Fe, 55.9349 amu
C) 57Fe, 56.9354 amu
D) 58Fe, 57.9333 amu
E) 70Zn, 69.9253 amu

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