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Science TDA

QuestionAnswer
Laws of Conservation of Mass The mass of the product of a chemical reaction must be the same as the mass of the reactants in that reaction.
Physical Change A substance affect only physical properties, such as its size and shape or whether it is a solid liquid or gas
Chemical Change Produce new substance that have properties different from those of the original substances
Element Substance that cannot be broken down into simpler substances
Chemical Formula Represent the chemical names of substances in the equation
Compound Molecule Made up of more than one type of atom
Element (Diatomic) Molecule Molecules of only one type of atom
Chemical Equation Short-hand form for writing what reactants are used and what products are formed in a chemical reaction
Chemicl Reaction Process that produces chemical change resulting in new substances that exist before a chemical reaction begin
Reactants Substances that exist before a chemical reaction begin
Products Substance that forms as a result of a chemical reaction
Coefficient Tells the number of molecules
Subscripts Tells the number of a certain type of atom in one molecule
Created by: Rolo6399
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