Chemistry Vocab 77
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The Law of Conversation of Mass | The mass of the products of a chemical reaction must be the same as the mass of the reactants in that reaction.
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| Physical Change | Physical properties are only affected, such as its size or shape, whether it is a solid, liquid, or gas.
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| Chemical Change | Produces new substancesthat have properties different from those of the original substances.
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| Element | Substance that cannot be broken down into simpler substances
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| Chemical Formula | Represents the name of the substances in a chemical equation.
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| Element (Diatomic) Molecule | Consists of 2 different elements and have the same geometric shape.
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| Compound Molecule |
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| Chemical Equation | Tells the products, physical state, and the proportions of each substance present.
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| Chemical Reaction | Takes place when chemicals combine to form new substances.
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| Reactants (in a chemical equation) | The substances that exsist before the reaction begins.
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| Products (in a chemical equation) | The subastances that form as a result of the reaction.
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| Coefficient (in a chemical equation) | The number at the beginning of the chemical equation the represents the amount of molecules in a chemical equation.
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| Subscript (in a chemical equation) | the number in front of the element that shows the quantity of an element.
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