1. Ionic Compounds AnionsCations 1.Naming Ions 2.Naming Ionic Compounds 3.Writing Ionic Formulas

2. Identify some Anions and Cations AnionsCations Metals Lose Electrons (Cations = +) Nonmetals tend to gain electrons (Anions = -)

3. Common Monatomic Ions AnionsCations Metals Lose Electrons (Cations = +) Nonmetals tend to gain electrons (Anions = -)

4. What is the charge of a Calcium Ion? AnionsCations

5. Naming Ions CATIONS: Keep their name Li + -- Lithium ion Na + -- Sodium Ion K + Rb + Sr 2+ Mg 2+ Al 3+ ANIONS: end changed to ide F - -- Fluoride Cl - -- Chloride Br - N 3- S 2- Se 2- -- Selenide P 3-

6. Naming Ionic Compounds Name of Cation followed Anion NaCl – Sodium Chloride BaCl 2 – Barium Chloride Li 2 O – MgO -- Ca 3 P 2 --

7. Writing Ionic Formulas The Net Charge of an Ionic Compound must be 0. NaCl – BaCl 2 – Li 2 O – MgO -- Ca 3 P 2 -- Na +1 Cl -1

8. What is the charge of a Nitride Ion? AnionsCations

9. Writing Ionic Formulas The Net Charge of an Ionic Compound must be 0. NaCl – BaCl 2 – Li 2 O – MgO -- Ca 3 P 2 -- Ba +2 Cl -1

10. Writing Ionic Formulas The Net Charge of an Ionic Compound must be 0. NaCl – BaCl 2 – Li 2 O – MgO -- Ca 3 P 2 -- Ba +2 Cl -1

11. Writing Ionic Formulas The Net Charge of an Ionic Compound must be 0. NaCl – BaCl 2 – Li 2 O – MgO -- Ca 3 P 2 -- Li +1 O -2

12. Writing Ionic Formulas The Net Charge of an Ionic Compound must be 0. NaCl – BaCl 2 – Li 2 O – MgO -- Ca 3 P 2 -- Li +1 O -2 Li +1

13. Writing Ionic Formulas The Net Charge of an Ionic Compound must be 0. NaCl – BaCl 2 – Li 2 O – MgO -- Ca 3 P 2 -- Mg +2 O -2

14. Writing Ionic Formulas The Net Charge of an Ionic Compound must be 0. NaCl – BaCl 2 – Li 2 O – MgO -- Ca 3 P 2 -- Ca +2 P -3

15. Writing Ionic Formulas The Net Charge of an Ionic Compound must be 0. NaCl – BaCl 2 – Li 2 O – MgO -- Ca 3 P 2 -- Ca +2 P -3 Ca +2

16. Writing Ionic Formulas The Net Charge of an Ionic Compound must be 0. NaCl – BaCl 2 – Li 2 O – MgO -- Ca 3 P 2 -- Ca +2 P -3 Ca +2 P -3 Ca +2

17. Writing Ionic Formulas Write the formula and name of the following element pairs if they formed ions and bonded together. Strontium and Chlorine Calcium and Oxygen Calcium and Nitrogen Potassium and Chlorine Oxygen and Nitrogen

18. Transition Metals Ionic Charge Varies and each element can have more than one common ionic state

19. Roman Numerals Iron (II) Chloride Iron (III) Chloride

20. Chemical Formula for Iron Chloride? Iron (II) Chloride Iron (III) Chloride

21. Chemical Formula for Iron Chloride? Iron (II) Chloride Iron (III) Chloride Fe +2 Cl -1

22. Chemical Formula for Iron Chloride? Iron (II) Chloride Iron (III) Chloride Fe +2 Cl -1

23. Chemical Formula for Iron Chloride? Iron (II) Chloride Iron (III) Chloride Fe +2 Cl -1 Fe +3 Cl -1

24. Chemical Formula for Iron Chloride? Iron (II) Chloride Iron (III) Chloride Fe +2 Cl -1 Fe +3 Cl -1

25. Chemical Formula for Iron Chloride? Iron (II) Chloride Iron (III) Chloride Fe +2 Cl -1 Fe +3 Cl -1 FeCl 2 FeCl 3

26. Chemical Formula for the following: