1. 1) What elements are all living things made of?
Carbon, Hydrogen, Oxygen, Nitrogen
CHON

2. 2) When atoms bond together they are called……
Join
2) When atoms bond together they are called……
MOLECULES

3. 3) Bonds store energy When is energy released?
Bond must be broken to release energy.

4. 4) Formulas
A chemical formula represents the chemical makeup of a compound or molecule.
CO2
How many carbon atoms in 1 molecule of CO2? 1 2
How many oxygen atoms in 1 molecule of CO2?

5. 5) How do we write chemical compounds using symbols?
What is H20?
How many hydrogen atoms in 1 molecule of water? 2
How many oxygen atoms in 1 molecule of water? 1

6. 6) Structural Formula
Bonds
Structural formula shows the kinds, numbers, and the arrangements of atoms.
It also shows the bonds

7. 7) Chemical Equations and Reactions
A + B C or
C A + B
Products
Raw materials

8. 8) Example of a Chemical Reaction:
C6H12O6 + O2
6H2O + 6CO2
Carbon
dioxide
Glucose
Oxygen
Water
Which are the raw materials?
Which are the products?
How many carbon atoms are present in a molecule of glucose? 6
How many water molecules are produced? 6 1
How many glucose molecules are used?

9. 9) Types of molecules
Inorganic
Organic

10. 10) What do organic molecules have in common?
Examples
C & H
Carbon and hydrogen

11. 11) What do inorganic molecules have in common?
C OR H OR neither

12. 12) Organic vs. Inorganic
Inorganic
Have C or H or neither, but never both at the same time.
Can be found in living things
Organic
Have C & H together
Made by living things

13. 13) Plants(autotrophs) make organic compounds from inorganic compounds
CO2 + H2O O2 + C6H12O6
organic
inorganic

14. 14) CIRCLE all the organic molecules
H2O
NaOH
FeO3
CO2
C6H12O6 CO
HCl
C2H6
C18H36O2
CaO
H2CO3
C3H6
CaCO3
C2H5OH
NaCl
CH3OH
HNO3
CuSO4
NH3
KCl
MnCl2
KMnO4
H2SO4
NO2
SO3 HF
C8H18
Na2SO4
CH3COOH
HBr