Name: ___________________ ( ) Form 7 S
|
|
Na2O2 |
MgO |
Al2O3 |
SiO2 |
P4O10 |
SO2 |
|
Appearance |
|
|
|
|
|
|
|
On
mixing with water |
||||||
|
Initial
temp. |
|
|
|
|
|
|
|
Final
temp. |
|
|
|
|
|
|
|
Dissolve? |
|
|
|
|
|
|
|
pH of
solution |
|
|
|
|
|
|
|
Other
observation |
|
|
|
|
|
|
Questions:
1. Write
the equations of hydrolysis (if any) for the above reactions
|
Compounds |
Equations |
Na2O2 |
|
|
MgO |
|
|
Al2O3 |
|
|
SiO2 |
|
|
P4O10 |
|
|
SO2 |
|
2. Comment on the change
in structure and bonding in the Period 3 oxides.
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
3. How does the acid-base nature of
these oxides change across the period?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
The End