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Iron has three common stable isotopes, 54Fe, 56 Fe, and 57Fe; given the average atomic mass on the periodic table, which statement is true. O The 56Fe isotope must be more abundant because the average atomic mass is closest to 56 u. O The 54Fe isotope must be more abundant because the average atomic mass is smaller than 56 u. O The 57Fe isotope must be more abundant because it is the largest and most stable. O The 54Fe isotope must be more abundant because it is the smallest and most stable. O All three isotopes must be equally abundant because the average atomic mass does not perfectly match any of the three isotopes.

Iron has three common stable isotopes, 54Fe, 56 Fe, and 57Fe; given the average atomic mass on the periodic table, which statement is true. O The 56Fe isotope must be more abundant because the average atomic mass is closest to 56 u. O The 54Fe isotope must be more abundant because the average atomic mass is smaller than 56 u. O The 57Fe isotope must be more abundant because it is the largest and most stable. O The 54Fe isotope must be more abundant because it is the smallest and most stable. O All three isotopes must be equally abundant because the average atomic mass does not perfectly match any of the three isotopes.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Iron has three common stable isotopes, 54Fe, 56 Fe, and 57Fe; given the average atomic mass on the periodic table, which statement is true. O The 56Fe isotope must be more abundant because the average atomic mass is closest to 56 u. O The 54Fe isotope must be more abundant because the average atomic mass is smaller than 56 u. O The 57Fe isotope must be more abundant because it is the largest and most stable. O The 54Fe isotope must be more abundant because it is the smallest and most stable. O All three isotopes must be equally abundant because the average atomic mass does not perfectly match any of the three isotopes.
Transcribed Image Text:Iron has three common stable isotopes, 54Fe, 56 Fe, and 57Fe; given the average atomic mass on the periodic table, which statement is true. O The 56Fe isotope must be more abundant because the average atomic mass is closest to 56 u. O The 54Fe isotope must be more abundant because the average atomic mass is smaller than 56 u. O The 57Fe isotope must be more abundant because it is the largest and most stable. O The 54Fe isotope must be more abundant because it is the smallest and most stable. O All three isotopes must be equally abundant because the average atomic mass does not perfectly match any of the three isotopes.
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