Chapter one vocabulary.
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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| Chemistry | The study of the properties of matter and how matter changes
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| Element | A substance that cannot be broken down into any other substance by chemical or physical means.
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| Compound | A substance made of two or more elements chemically combined in a specific ratio, or proportion
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| Mixture | Two or more substances that are mixed together but not chemically combined.
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| Solution | A well-mixed mixture
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| Physical Change | A change that alters the form or appearance of a material but does not make the material into another substance
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| Chemical Change | A change in a matter that produces a new substance
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| Chemical Reaction | The process in which substances undergo chemical change that results in the formation of new substances
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| Precipitate | A solid that forms from a solution during a chemical reaction.
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| Atom | The smallest particle of an element
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| Molecule | The combination of two or more atoms
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| Chemical Bond | The force that holds atoms together
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| Chemical Equation | A short, easy way to show chemical reactions, using symbols instead of words
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| Symbol | A one or two letter set of characters that is used to identify elements
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| Chemical Formula | A combination of symbols that represent the elements in a compound
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| Subscript | A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
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| Reactants | A substance that enters into a chemical reaction
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| Products | A substance formed from a chemical reaction
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| Conservation of Mass | The principle stating that matter is not created or destroyed during a chemical reaction
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| Coefficient | A number in front of the chemical formula in the equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
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| Synthesis | A chemical reaction in which two or more simple substances combine to form a new, more complex substance
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| Decomposition | A chemical reaction that breaks down compounds into simpler products
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| Replacement Reaction | A reaction in which one element element replaces another in a compound; or when two elements in a different compounds trade places
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| Exothermic Reaction | A reaction that releases energy in the form of heat
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| Endothermic Reaction | A reaction that absorbs energy in the form of heat
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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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