CHEMISTRY
safety rules
no sitting in the lab
tie long hair
no eating in the lab
Subtopic
don't taste or smell anything in the lab
WHMIS symbols
These are the 10 WHMIS symbols
Flame
Flame over circle
Gsa cylinder
Corrosion
Exploding bomb
Skull and crossbones
Health harard/Danger to health
Exclamation mark
Environment
Biohazard
Lab equipment and uses
beaker used for holding or having liquids, for not exact amounts
pipette used to transport really small amounts of liquid
ring stand used to hold the clamp
test tube rack used to hold many tube tests at a time
Bohr diagram
Electrons are places on the inner most shell first the
Once full, extra electrons are paced in the next shells
The maximum number of electrons on the shells
- 1st shell = 2 electrons
2nd shell = 8 electrons
3rd shell = 8 electrons
Main topic
Main topic
physical and chemical properties of matter
When a substance goes through a chemical change it changes in a different substance.
Candle burning(wick only)
Metal rusting
A physical change alters the form of a substance, but doesn't change into another substance.
Dry ice
Sawing wood
physical and chemical properties of matter
Candle burning(wick only)
Metal rusting
Dry ice
Sawing wood
Steps of the Scientific Method
Purpose
Hypothesis
Materials
Procedure
Results
conclusion
Naming Compounds
compounds without metals
N2O dinitrogen monoxide
compound with metals
All3 Aluminum ioide