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Science

8th grade Chemistry

QuestionAnswer
Substance A number written below and to the right of a chemical symbol in a formula
Double Replacement when ions in two compounds switch places
Activation Energy is the minimum amount of energy required for substances to react
Chemical Reaction process by which one or more substances undergo change to produce one or more new substances.
The Law of Conservation of Mass states that mass cannot be created or destroyed in ordinary chemical or physical changes.
Decompostion a single compound breaks down to form tow or more simpler substances.
Exothermic energy is released.
Endothermic energy is absorbed.
Synthesis two or more substances combine to form a single compound.
Chemical Formula descibes a substance using chemical symbols and numbers.
Coefficient a number written to the left of a chemical symbol or formula.
Single Replacement one element replaces another that is part of a compound. (Loner)
Chemical Equation is a shorthand description of a chemical reaction.
Reactent the starting material.
Product the new substance formed.
Catlyist speeds up a reation.
Inhibitor slows down a reation.
Created by: xoCCox8
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