Understanding Ion Calculations for Iron Element

Learn how to calculate the particles for an ion of iron (Fe) using the periodic table, including the number of protons, electrons, neutrons, and the mass number. Understand the notation of isotopes and how to determine the charge of an ion. Get the final answers for the Iron isotope with atomic number 26 and mass number 56.

• Ion Calculations
• Iron Element
• Isotope Notation
• Atomic Structure

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1. Calculating Particles for an ion

2. Representations from the Periodic Table Oxidation States Atomic Number 26 +2 +3 Fe Iron 55.845 2-8-14-2 Symbol Name Atomic Mass Electron Configuration Electrons/Level

3. Calculating Number of Protons Atomic Number 26 +2 +3 Fe Iron 55.845 2-8-14-2 Atomic Number for an atom that is an ion = # of Protons

4. Calculating Number of Electrons Atomic Number # of electrons = Protons charge Ex. 26-(+2) = 24 26 +2 +3 Fe Iron 55.845 2-8-14-2 Atomic Number for an atom that is an ion = # of Protons

5. Calculating Number of Neutrons 26 +2 Fe Iron 55.845 2-8-14-2 +3 Neutrons = Mass Number Atomic Number If Most Common Isotope - Round Atomic Mass to nearest whole number so 56 AMU

6. Calculating Mass Number 26 +2 Mass Number = Sum of the protons and neutrons +3 Fe Iron 55.845 2-8-14-2

7. Isotope Name 26 +2 Element Name followed by hyphen and then Mass Number ex. Iron - 56 +3 Fe Iron 55.845 2-8-14-2

8. Isotope Notation m = mass number: # of Protons + Neutrons c = charge of element 26 +2 m c X +3 Fe Iron 55.845 2-8-14-2 p X = symbol of element p = Atomic Number: # of protons 56 +2 Ex = Fe 26

9. Calculating Charge 26 +2 Charge = Protons Electrons Ex. 26 24 = +2 +3 Fe Iron 55.845 2-8-14-2

10. Final Answers for Iron Element / Symbol Isotope Name Isotope Notation Atomic Number Protons (p+) Neutrons (n0) Electrons (e-) Mass Number 56 Fe+2 26 Iron Fe Iron-56 26 26 30 24 56