DCE Chemistry Unit 5 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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| coefficient | a number written before the compound that tells you how many of that item are present; used to balance chemical equations
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| subscript | a number written after an element symbol in a chemical formula that tells you how many of that element are in the molecule.
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| activity series | a list of elements in order of decreasing activity, used to predict single displacement reactions
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| combustion | a chemical reaction in which a hydrocarbon reacts with oxygen to form water and carbon dioxide
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| single displacement | a chemical reaction in which an element reacts with a compound
A + BC ->
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| double displacement | a chemical reaction in which two compounds react, resulting in a switching of partners
AB + CD ->
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| synthesis | a chemical reaction in which two elements react to form a compound
A + B ->
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| decomposition | a chemical reaction in which a compound is broken down into simpler products
AB ->
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| diatomic molecule | a molecule consisting of two atoms:
Br, I, N, Cl, H, O, F form diatomic molecules
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| balanced equation | an equation in which the number and types of elements on the reactant side of the equation are equal to the number and types of elements on the products side of the reaction
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| reactant | a substance that is present at the start of the reaction, written on the left side of the arrow in the reaction equation
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| product | a substance that is formed during a chemical reaction, written on the right side of the arrow in the reaction equation
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| hydrocarbon | a compound containing hydrogen and carbon
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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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