Chemistry, 27.01.2021 05:50 prissydizzybella5

The four natural isotopes of iron have atomic masses of 53.9, 55.9, 56.9, and 57.9. If these were the only isotopes of iron and they occurred in equal abundance, which would be closest to the atomic mass of iron? A. 54
B. 55
C. 56
D. 57

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The four natural isotopes of iron have atomic masses of 53.9, 55.9, 56.9, and 57.9. If these were th...