Chemical equations
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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chemical formula | a representation of a molecule in which the elements are represented by their symbols.
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Chemical equation | a representation of a chemical reaction by symbols and number.
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Chemical change | a change when a substance combines with another to form a new substance that can not be reversed.
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Physical change | a change in which the mixtures can be reversed. It does not change their chemical composition.
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Subscript | a number that is smaller than the normal line and sets below it. This number tells us the number of atoms a particular element has.
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Coefficient | The big number that is at the beginning of a chemical formula. ex) 2CHO
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Product | a chemical substance that is formed as a result of a chemical reaction.
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Reactant | a substance participating in a chemical reaction, especially one present at the start of the reaction.
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yields | represented by an arrow --> meaning "produces"
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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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Created by:
cibarra2013
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