1. DO you remember this stuff??
Chemistry Review
DO you remember this stuff??

2. Organic Compounds
Organic compounds are a type of compound in which carbon atoms are bonded to hydrogen atoms. Sometimes they are also bonded to atoms of oxygen, nitrogen, sulfur, or phosphorus. (hint: CHNOPS)

3. Inorganic Compounds
Inorganic compounds are a type of compound that includes carbonates (CO3), cyanides (CN), carbides (C2), and oxides of carbon (CO2), along with all compounds that do not contain carbon atoms at all.

4. Physical Change
A physical change is a change that affects only the physical properties of a substance. Those properties include size, shape, and state.

5. Chemical change
Chemical changes are the result of chemical reactions, that is, the breaking of bonds in one or more substances, and the reforming of new bonds to create new substances.

6. Signs of a chemical reaction
change in energy
increase or decrease in temperature
light created
sound created
unexpected color change
not added or expected
gas produced
sometimes smell
bubble production
precipitate is formed
solid is formed from liquids

7. Quantitative Observations Qualitative Observations
What’s the difference?
Quantitative Observations
Qualitative Observations