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Science Vocab
Word | Definition | Word | Definition |
---|---|---|---|
Chemical Change | Change that produce new substances that have properties different than those of the original substances. | Products(in a chemical equation) | Substance that forms as a result of a chemical reaction. |
Element | Substance that cannot be broken down into simpler substances. | Coefficient(in a chemical reaction) | The number of molecules of reactants or products.A blank means "one". |
Chemical Formula | a representation of a substance using symbols for its constituent elements | Subscript(in a chemical reaction) | The number of molecules of a reactants or products. |
Element(Diatomic)Molecule | A molecule made of only 1 atom. | Chemical Equation | Shorthand form for writing what reactants are used and what products are formed in a chemical reaction |
Compound Molecule | A molecule made of more than 1 type of atom. | Chemical Reaction | Process that produces chemical change, resulting in new substances that have properties different from those of the original substances |
Reactants(in a chemical equation) | Substance that exists before a chemical reaction begins. | ||
Law of Conservation of Mass | According to the Law of Conservation, the mass of the products of a chemical reaction must be the same mass of the reactants in that reaction. | ||
Physical Change | Change that only affect a substance's physical properties,such as its shape or size. |