1. CHEMICAL BONDING
_____ BONDS

2. IONIC BONDING

3. IONIC BONDING When an atom of a _____ takes one or more electrons
from an atom of a _____
so both atoms end up with
eight valence electrons

4. IONIC BONDING IS THE COMPOUND AN IONIC COMPOUND? Mg N 3 2 _____ _____
SUBSCRIPTS

5. IONIC BOND FORMATION Non-Metal Metal
_____ atoms come near each other. Electron(s) are _____ from the Metal atom to the Non-metal atom. They stick together because of _____, like magnets.

6. _____ will tend to lose electrons and become
IONIC BONDING
_____ will tend to lose electrons and become
_____ = Na
11 p
10 e + -
to become sodium ion + -
11 p
11 e Na
Normal sodium atom - 1e
loses one electron

7. Nonmetals will tend to gain electrons and become
IONIC BONDING
Nonmetals will tend to gain electrons and become
_____
17 p
17 e + - Cl
Normal chlorine atom = Cl
17 p
18 e + -
to become a chloride ion + 1e -
gains an electron

8. NH4+1--_____ ion CO3-2--_____ ion PO4-3--_____ ion
IONIC BONDING
_____-a group of atoms that act like one ion
NH4+1--_____ ion
CO3-2--_____ ion
PO4-3--_____ ion

9. IONIC BONDING
Na SO 2 4
_____

10. Properties of Ionic _____
_____ structure.
A regular _____ of ions in the solid.
Ions are _____ bonded.
Structure is _____.
_____ - because of strong forces between ions.

11. Crystalline structure
The _____stick to the _____, like a magnet. + + - - - - + + - + - + + - - - + +

12. Do they Conduct? Conducting _____ is allowing charges to move.
In a solid, the _____ are locked in place.
Ionic solids are _____.
When melted, the ions can move around.
Melted ionic compounds _____.
First get them to 800ºC.
Dissolved in water they conduct.

13. Ionic solids are ____ + -

14. Ionic solids are brittle
Strong Repulsion _____ crystal apart. + - + - + - + -

15. COVALENT BONDING

16. When an atom of one _____one or more electrons _____ valence electrons
COVALENT BONDING
When an atom of one _____one or more electrons
with an atom of another
_____ so both atoms
end up with
_____ valence electrons

17. COVALENT BOND FORMATION
When one _____one or more electrons with an atom of another _____ so both atoms end up with eight valence electrons

18. COVALENT BONDING IS THE COMPOUND A COVALENT COMPOUND? C O 2 _____
YES since it is made of only nonmetal elements

19. Covalent bonding
Fluorine has _____ valence electrons F

20. F F Covalent bonding Fluorine has seven valence electrons
A _____ atom also has seven F F

21. F F Covalent bonding Fluorine has seven valence electrons
A second atom also has seven
By _____ electrons F F

22. F F Covalent bonding Fluorine has seven valence electrons
A second atom also has seven
By sharing electrons F F

23. F F Covalent bonding Fluorine has seven valence electrons
A second atom also has seven
By sharing electrons F F

24. F F Covalent bonding Fluorine has seven valence electrons
A second atom also has seven
By sharing electrons F F

25. F F Covalent bonding Fluorine has seven valence electrons
A second atom also has seven
By sharing electrons F F

26. F F Covalent bonding Fluorine has seven valence electrons
A second atom also has seven
By sharing electrons
_____ end with _____ orbitals F F

27. F F Covalent bonding Fluorine has seven valence electrons
A second atom also has seven
By sharing electrons
Both end with full orbitals F F
8 Valence electrons

28. F F Covalent bonding Fluorine has seven valence electrons
A second atom also has seven
By sharing electrons
Both end with full orbitals F F
8 Valence electrons

29. Single Covalent Bond A _____ of two valence electrons.
Only nonmetals and _____.
Different from an ionic bond because they actually form _____.
Two specific atoms are joined.
In an ionic solid you can’t tell which atom the electrons moved from or to.

30. H O Water Each hydrogen has ___ valence electron Each hydrogen _____
The oxygen has __ valence electrons
The oxygen _____
They _____ to make each other happy H O

31. O H Water Put the pieces together The first hydrogen is _____
The oxygen still wants _____ O H

32. H O H Water The _____ hydrogen attaches
Every atom has _____ energy levels H O H

33. C O Carbon dioxide CO2 - _____ is central atom ( I have to tell you)
Carbon has __ valence electrons
Wants _____
Oxygen has __ valence electrons C O

34. Carbon dioxide
Attaching __ oxygen leaves the oxygen __ short and the carbon __ short C O

35. Carbon dioxide
Attaching the _____leaves both oxygen 1 _____ and the carbon 2 short O C O

36. Carbon dioxide
The only solution is to _____ O C O

37. Carbon dioxide
The only solution is to share more O C O

38. Carbon dioxide
The only solution is to share more O C O

39. Carbon dioxide
The only solution is to share more O C O

40. Carbon dioxide
The only solution is to share more O C O

41. Carbon dioxide
The only solution is to share more O C O

42. O C O Carbon dioxide The only solution is to share more
Requires ____bonds
Each atom gets to count all the atoms in the bond O C O

43. O C O Carbon dioxide The only solution is to share more
Requires two double bonds
Each atom gets to count all the atoms in the bond
8 valence electrons O C O

44. O C O Carbon dioxide The only solution is to share more
Requires two double bonds
Each atom gets to count all the atoms in the bond
8 valence electrons O C O

45. O C O Carbon dioxide The only solution is to share more
Requires two double bonds
Each atom gets to count all the atoms in the bond
8 valence electrons O C O

46. How to draw them _____ up all the valence electrons.
Count up the _____ number of electrons to make all atoms happy.
_____.
Divide by __
Tells you how many _____ - draw them.
Fill in the rest of the valence electrons to fill atoms up.

47. Examples HCN C is central atom N - has __ valence electrons wants __
C - has __ valence electrons wants __
H - has __ valence electrons wants __
HCN has = ___
HCN wants = ___
(18-10)/2= __ bonds
__ atoms with __ bonds -will require multiple bonds - not to H

48. HCN
Put in ____ bonds
Need 2 more bonds
Must go between C and N H C N

49. H C N HCN Put in single bonds Need 2 more bonds
Must go between C and N
Uses 8 electrons - 2 more to add H C N

50. H C N HCN Put in single bonds Need 2 more bonds
Must go between C and N
Uses 8 electrons - 2 more to add
Must go on N to fill octet H C N

51. THE
END