Chemistry Unit 4
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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Redox | The transfer of electrons
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Fixed oxidation states | Some elements nearly always have the same oxidation state in their compounds.
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Displacement reactions | A type of reaction where part of one reactant is replaced by another reactant.
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Oxidation | The gain of oxygen.
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Oxidation state (for number) | The loss of electrons.
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Oxidation states in compound ions | The total oxidation state adds up to the charge.
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Oxidising agents | accepts electrons from another reactant and is itself reduced.
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Reducing agents | donates electrons to another reactant and is itself oxidised.
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Reduction | The loss of oxygen.
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Simples ions | The charge on ion. Ions in compounds where the other half is not given.
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Reduction state (for number) | The gain of electrons.
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Oxidation state for Reduction | Decrease
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Oxidation state for Oxidation | Increase
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Redox reaction | A reaction in which oxidation and reduction both take place.
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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.
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.
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:
Sophiedj
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