What is the mass number of iron?
Understand the Problem
The question is asking for the mass number of iron, which refers to the total number of protons and neutrons in its atomic nucleus. The mass number is essential for understanding the isotopes of iron and its properties.
Answer
56
The mass number of iron is 56.
Answer for screen readers
The mass number of iron is 56.
More Information
The mass number of iron (56) typically refers to one of its most stable and common isotopes, Fe-56.
Tips
Confusing atomic mass (which is an average and includes decimals) with a specific isotope's mass number (a whole number) is common.
Sources
- Iron, isotope of mass 56 | Fe | CID 10313045 - PubChem - pubchem.ncbi.nlm.nih.gov
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