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Examen
Basic Chemistry and macromoleculesChapter Two Exam
atom - -smallest chemical units of matter 
 
molecule - -two or more atoms held together by chemical bonds 
 
compound - -a molecule that contains atoms of MORE THAN one element 
 
element - -matter composed of a single type of atom 
 
dehydration synthesis - -reactions that MAKE macromolecules 
(pull out H2O to make covalent bonds) 
 
hydrolysis - -reactions that BREAK macromolecules 
(USE H2O to break the covalent bonds) 
 
inorganic - -usually LACK carbon; 
examples = water, oxygen molecules...