lo: swbat differentiate between organic and inorganic molecules dn: what elements are all living...
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LO: SWBAT differentiate between organic and inorganic molecules
DN: What elements are all living things made up of?
HW: due mondaypage 48 # 1,2,5
Formulas
CO2
A chemical formula represents the chemical makeup of a compound or molecule.
How many carbon atoms in 1 molecule of CO2?
How many oxygen atoms in 1 molecule of CO2?1
2
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
Structural Formula
Structural formula shows the kinds, numbers, and the arrangements of
atoms.
It also shows the bonds
Bonds
Example of a Chemical Reaction:
C6H12O6 + O2 6H2O + 6CO2
Glucose Oxygen Water Carbondioxide
Which are the raw materials?Which are the products?
How many water molecules are produced?
How many glucose molecules are used?
How many carbon atoms are present in a molecule of glucose? 6
6
1
Organic
• Have C & H together
• Made by living things
Inorganic
• Have C or H or neither, but never both at the same time.
• Can be found in living things
Organic vs. Inorganic
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