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Chapter 10

Chapter 10. Ionization Energy. A good number of transition metal elements possess an ability to have more than one positive ion. (Remember +2 is the most common oxidation number for metal ions). Mn +4. Mn +6. Mn. Mn +2. Mn +7. Demonstration. a. Mn. Demonstration. a. Mn.

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Chapter 10

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  1. Chapter 10 Ionization Energy

  2. A good number of transition metal elements possess an ability to have more than one positive ion. (Remember +2 is the most common oxidation number for metal ions) Mn +4 Mn +6 Mn Mn +2 Mn +7

  3. Demonstration a Mn

  4. Demonstration a Mn

  5. Ionization Energy • Ionization energy is the energy needed to remove an electron from an atom or ion.

  6. First Ionization Energy • First Ionization energy is the energy needed to remove the first electron from an atom.

  7. First Ionization Energy • Francium has the lowest first ionization energy.

  8. How would you relate ionization energy to atomic size and effective nuclear charge?

  9. How would you relate ionization energy to atomic size and effective nuclear charge? • Large atoms with low effective nuclear charge have low ionization energies. • Small atoms with high effective nuclear charge have high ionization energies.

  10. Ionization Energy First Ionization energy is the energy needed to remove the first electron from an atom. Multiple Ionization Energies Second Ionization energy is the energy needed to remove the second electron from an atom.

  11. Multiple Ionization Energies • How many ionization energies does carbon have?

  12. Ionization Energies in kJ/mol

  13. Multiple Ionization Energies • What happens to carbon’s size and effective nuclear charge as you remove electrons?

  14. Teacher Demonstrations • Sodium and water • Potassium and water

  15. Homework • Ionization Energy Worksheet • Do the Lab Summary for “Reactivity and the Periodic Table”

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