2. Happy New Year!! DO NOW: 1. What is a positive ion called? – How does an atom become positively charged? 2. What is a negative ion called? – How does an atom become negatively charged? 3. What is an ion that is made up of more than one atom called?

3. Happy New Year!! 1. What is a positive ion called? – How does an atom become positively charged? 2. What is a negative ion called? – How does an atom become negatively charged? 3. What is an ion that is made up of more than one atom called? A cation An anion A polyatomic ion An atom loses an electron An atom gains an electron

4. Follow the directions on each slide You may use your Reference chart sheet with Periodic table Compound Naming Practice

5. Name the following ionic compounds: 1)Li 2 S 2) AgNO 3 3) NH 4 Cl

6. Name the following ionic compounds: 1)Li 2 S 2) AgNO 3 3) NH 4 Cl 3… 2… 1… Time’s Up!

7. Name the following ionic compounds: 1)Li 2 S 2) AgNO 3 3) NH 4 Cl lithium sulfide silver nitrate ammonium chloride ERASE YOUR BOARD

8. Name the following covalent compounds: 4) SiO 2 5) C 2 S 5 6) N 6 O

9. Name the following covalent compounds: 4) SiO 2 5) C 2 S 5 6) N 6 O 3… 2… 1… Time’s Up!

10. Name the following covalent compounds: silicon dioxide dicarbon pentasulfide hexanitrogen monoxide 4) SiO 2 5) C 2 S 5 6) N 6 O ERASE YOUR BOARD

11. Write the formulas for the following ionic compounds: 7) Magnesium hydroxide 8) Beryllium phosphide 9) Copper (II) chloride

12. Write the formulas for the following ionic compounds: 7) Magnesium hydroxide 8) Beryllium phosphide 9) Copper (II) chloride 3… 2… 1… Time’s Up!

13. Write the formulas for the following ionic compounds: 7) Magnesium hydroxide 8) Beryllium phosphide 9) Copper (II) chloride Mg(OH) 2 Be 3 P 2 CuCl 2 ERASE YOUR BOARD

14. Write the formulas for the following covalent compounds: 10) Oxygen difluoride 11) Heptacarbon tetrahydride 12) Trixenon octabromide

15. Write the formulas for the following covalent compounds: 10) Oxygen difluoride 11) Heptacarbon tetrahydride 12) Trixenon octabromide 3… 2… 1… Time’s Up!

16. Write the formulas for the following covalent compounds: 10) Oxygen difluoride 11) Heptacarbon tetrahydride 12) Trixenon octabromide OF 2 C7H4C7H4 Xe 3 Br 8 ERASE YOUR BOARD