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chemical reaction

my science study cards

TermDefinition
Activation energy what is needed to start a chemical reaction
Arrows you read the arrow as "yields" in a chemical equation or formula
characteristics of a chemical reaction changes in energy or changes in properties
chemical changes alter the chemical properties of matter
chemical equiations a shorter easier way to show chemical reaction
coefficient a number placed front of a chemical formula
conservation of mass the amount of matter involved in a chemical reaction
decompostion reaction a compound breaks down into simpler substances
endothermic reaction an observable change in energy that shows a chemical reaction
exothermic reaction an observable change in energy that shows a chemical reaction
physical changes alter only the physical properties of matter no new substances are formed
precipitate a solid that forms from a solution during a chemical
products the materials you have after a chemical reaction
reactants the material you have at the beginning
repalcement reaction one part of a compound is displaced by an element or a compound from another substance
states of matter solid liquid gas
subscripts show the number of atoms
synthesis reaction two substances combine to form a new compound
Created by: j150009596
 

 



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