scince vocabulary for Lannom P.4
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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| Physical change | A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another.
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| Chemical change | A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another.
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| Element | Substance that cannot be broken down into simpler substances.
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| Chemical Formula | Representation of a substance using symbols for its constituent elements.
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| Element (Diatomic) Molecule | are molecules composed only of two atoms, of either the same or different chemical elements.
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| Compound Molecule | Is made up of more than one element.
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| Chemical Equation | Short hand form for writing what reactants are used and what products are formed in a chemical reation. Sometimes shows whether energy is produced or absorbed.
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| Chemical Reaction | Process that produces chemilcal change resulting in new substances that have properties different from those of the original substances.
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| Reactants (in a chemical equation | Substance that exists before a chemical reaction begins.
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| Products (in a chemical equation) | Substance that forms as a result of a chemical reaction.
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| Coefficient (in a chemical equation) | The number of molecules of reactants or products.
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| Subscript (in a chemcal equation) | The number of molecules of reactants or products.
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| Law of Conservation of mass | The mass of substances produced (products by a chemical reaction is always equal to the mass of the reacting substances (reactants)
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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