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Science Vocab1234560

Vocab

QuestionAnswer
Law of Conservation of Mass Nothing is ever created or destroyed
Physical Change A usually reversible change in the physical properties
Chemical Change Reaction involving the changing of the atoms of 1 or more substances
Element Something that can be broken down to anything else
Chemical Formula A rep. of a substance using symbols
Diatomic Molecule Molecules composed of only 2 atoms
Compound Molecule Molecules composed of 2 or more atoms
Chemical Equation A rep. of a chemical reaction using symbols of the elements to indicate the amount of substance
Chemical Reaction A process that involves changes in the structure and energy content of atoms
Reactants Any substance that undergoes a chemical change
Products a substance obtained from another
Coefficient A number that is constant for a given substance, body, or process under specified conditions
Subscript A number or figure that shows how many of a certain type of element there is
Created by: g0408241
 

 



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