Friday, March 19, 2010

elephant toothpaste


When the bell was going to ring mr. olson showed us the reaction to make the elephant toothpaste. It was yellow and the reaction was really fast. It smelled like s*** and it was warm. but the catalyst made the reaction faster and is cool.

Friday, February 12, 2010

acids and bases

acids and bases are 2 opposite things and they react to each other to neutralize each other. These are their special traits.




1. taste bitter


2. are slimy to the touch


3. neutralize acids, forming salts


4. found in many cleaning solutions.




1. taste sour


2. react with active metals to produce H2.


3. reacts with carbonates to produce CO2.


4. neutalize bases, fomring salts.


5. found in many fruits and foods.

9 polyatomic ions

the 9 polyatomic ions are: Acetate, Ammonium, Carbonate, Cyanide, Hydroxide, Nitrate, Nitrite, sulfate, phosphate. I have to remember them and i bet it would take long so im reviewing it by typing it in the blog.

packet

the pink packet teaches me about how the reactions goes n comebine, 4 of them are funny that makes me remember it. those are synthesis, decomposition, single replacement, double replacement.


Thursday, January 21, 2010

career day

This year's career day is not too special, it was kinda the same like last years. I went to grahic design and other classes and i fell asleep so i guess it doesn't intrest me so much.

ph packet

i spend time on the ph packet but didnt finish it becuase there are a lot of thing i didnt get so i stoped halfway. then today i get to copy the ph packet and didnt need to turn it in so i guess i was lucky.

back to school

i missed the first week and had to make up a lot of work. there were so much work that i didnt even notice when i got the wrong kind of composition book. that deducted points n i hope the grade wont drop too much