1. Q2:
What is the formula & name for a molecule created by a chlorate ion and aluminum.
Write the formula for
carbon tetrafluoride.
3. Write the name of N2O4.
4. What causes some molecules to be polar?

2. Aluminum Chlorate Formula: Al(ClO3)3
1) What is the formula for the molecule is created between a chlorate ion and aluminum. Then write its name.
Aluminum Chlorate
Formula: Al(ClO3)3

3. 2. Write the formula for
carbon tetrafluoride. C F 4

4. Q2:
Write the name
of N2O4. Di
nitrogen
Tetra
oxide

5. Single
Covalent Bond
Double
Covalent Bond

6. 4) What causes some molecules to be polar?
Type of atom (size)
(some attract e- more)
2. Molecule’s shape

9. Vocabulary Quiz Tomorrow

10. Today’s Objective: I can recognize and name metallic bonds.

11. Project Poker

12. Metallic Bonding

13. What are covalent bonds?

14. Is it ever possible for a polar bond to be ionic? Explain.

15. Attractions between polar molecules are stronger than nonpolar molecules.

16. Changes in
physical properties:
Higher boiling points
Dissolves other polar substances

17. Ionic or Covalent?

18. Property Ionic Covalent
Transfer e-
Share e-
How made
Bond between
Metals &
Nonmetals
Nonmetals
Table Position
Opposite sides
Same sides
Dissolve in water
Only if polar
Yes
Consistency
Brittle
Soft
Melting temp
High
Low
State at 20C
Solid
Any

19. Assignment! Not quiz
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20. Metallic Bond

21. Occurs With Metal Elements
Metallic Bonds
Occurs With Metal Elements

22. shared electrons around it
Metallic Bond:
Attraction between a
metal cation and the
shared electrons around it

23. Caused by attraction between moving electrons & positive ions
Lattice of metal IONS surrounded by free e-
Caused by attraction between
moving electrons & positive ions

25. How does this structure affect the properties of metals?
1. Conduct electricity

26. Malleability
And Ductility

27. (Bronze) Alloy: 1 or more elements melted together with a metal
Makes the metal stronger

28. Alloy: Atoms cannot slide over each other easily

29. Bronze: Cu+Sn
Brass: Cu+Zn
Cast Iron: Fe+C+Si
Copper Penny: Cu+Zn
Gold Jewelry: Au+Ag+Zn+Ni
Stainless steel: Fe+C+Cr+Ni

30. Stainless Steel: Iron & chromium
Doesn’t rust
Resists corrosion

31. Brass: Copper & Zinc
* Malleable
* Good sound qualities

32. Bronze: Mostly Copper
with Tin added
Resists corrosion
Lasts a long time

33. Metallic Bonds

34. Kahoot Bonding