EMEQ Vocab
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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law of conservation of mass | states that matter cannot be created or destroyed
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physical change | any change in shape, size, or form
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chemical change | one or more original substances turned into another substance
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element | substance that cannot be broken down into simpler substances
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chemical formula | a way of expressing information about the atoms that constitute a particular chemical compound
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element molecule | a single molecule formed by one atom
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diatomic molecule | a molecule formed by two atoms
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compound molecule | molecules that contain at least two different elements
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chemical equation | shorthand form for writing what reactants are used and what products are formed in a chemical reaction
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chemical reaction | process that produces chemical change, resulting in new substances that have properties different from those of the original one
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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) | states the amount of molecules from an equation
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subscript (in a chemical equation) | states how many of each element there is; only applies to the element to the left of the number
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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:
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