my science study cards
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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| Activation energy | what is needed to start a chemical reaction
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| Arrows | you read the arrow as "yields" in a chemical equation or formula
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| characteristics of a chemical reaction | changes in energy or changes in properties
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| chemical changes | alter the chemical properties of matter
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| chemical equiations | a shorter easier way to show chemical reaction
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| coefficient | a number placed front of a chemical formula
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| conservation of mass | the amount of matter involved in a chemical reaction
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| decompostion reaction | a compound breaks down into simpler substances
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| endothermic reaction | an observable change in energy that shows a chemical reaction
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| exothermic reaction | an observable change in energy that shows a chemical reaction
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| physical changes | alter only the physical properties of matter no new substances are formed
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| precipitate | a solid that forms from a solution during a chemical
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| products | the materials you have after a chemical reaction
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| reactants | the material you have at the beginning
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| repalcement reaction | one part of a compound is displaced by an element or a compound from another substance
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| states of matter | solid liquid gas
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| subscripts | show the number of atoms
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| synthesis reaction | two substances combine to form a new compound
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To hide a column, click on the column name.
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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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