The element Fe, as an isotope iron-56, contains how many neutrons?
A)26
B)29
C)30
D)56

Name: The element Fe, as an isotope iron-56, contains how many neutrons? A)26 B)29 C)30 D)56
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Quizplus · Accepted Answer

Iron-56 (Fe-56) has an atomic number of 26, which means it has 26 protons. The mass number of an isotope is the sum of its protons and neutrons. Therefore, to find the number of neutrons in iron-56, subtract the number of protons (26) from the mass number (56): 56 - 26 = 30 neutrons.

The Element Fe, as an Isotope Iron-56, Contains How Many