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Chemistry Vocab

Flash Cards

TermDefinition
model Physical, mental, and other representations of an idea to help people understand a concept that they cannot observe.
atom The smallest particle of any molecule.
molecule Two or more atoms bonded together
element A substance made up of purely one type of atom.
compound A substance made of two or more different atoms bound together.
simple molecule A molecule that has four or less atoms bound together.
bonds The force that holds atoms together.
reactants A substance that causes a chemical reaction.
law of conservation of mass The principle stating that matter is not created nor destroyed during a chemical reaction.
products A substance formed due to a chemical reaction.
endothermic reactions A reaction that absorbs energy in the form of heat.
exothermic reactions A reaction that releases energy in the form of heat.
Created by: lawdog88
 

 
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