3. Cellulose (aka fiber) (we cannot digest this but we will not gain weight)
biological molecules - 1. Carbohydrate
2. Amino Acid
4. Protein ( made up of Amino Acid)
5. Nucleotide
, 6. Fats and lipids
Chemical bonding - join them together
1. Ionic bond- by exchange of electrons
2. Covalent bond- by sharing of electrons when you share it becomes stable
law of magnetism - opposite charge + and - will attract
same= charge ++ will repel
how to make a bond - oxidation- loss of electrons
reduction- gaining electrons
how to make covalent bonds - 1. Methane- CH4
2. Ethane- C2H6
3. Propane C3H8
4. Butane C4H10
5. Octane C8H18
how to make atoms - Atoms devide into two parts
-core
-electron shells
Isotopes - atoms that have the same atomic number but different atomic weight
elements - oxygen
carbon
hydrogen
nitrogen
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