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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. The 56Fe isotope must be more abundant because the average atomic mass is closest to 56 u. The 54Fe isotope must be more abundant because the average atomic mass is smaller than 56 u. O The 57 Fe 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. ◇ 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. The 56Fe isotope must be more abundant because the average atomic mass is closest to 56 u. The 54Fe isotope must be more abundant because the average atomic mass is smaller than 56 u. O The 57 Fe 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. ◇ 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
Chapter3: Stoichiometry
Section: Chapter Questions
Problem 43E: The element europium exists in nature as two isotopes: 151Eu has a mass of 150.9196 u and 153Eu has...
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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. The 56Fe isotope must be more abundant because the average atomic mass is closest to 56 u. The 54Fe isotope must be more abundant because the average atomic mass is smaller than 56 u. O The 57 Fe 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. ◇ 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. The 56Fe isotope must be more abundant because the average atomic mass is closest to 56 u. The 54Fe isotope must be more abundant because the average atomic mass is smaller than 56 u. O The 57 Fe 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. ◇ 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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