Chapter 2.3 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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polar | describes a molecule with opposite charges on opposite ends
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hydrogen bond | the inner molecular force occurring when a hydrogen atom that is bonded to a highly electro-negative atom of one molecule is attracted to two unshared atoms of another molecule
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cohesion | the force that holds molecules of a single material together
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adhesion | the attractive force between two bodies of different substances that are in contact with each other
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capillarity | the attraction between molecules that results in the rise of a liquid in small tubes
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solution | a homogenous mixture throughout which 2 or more substances are uniformly dispersed
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solute | in a solution, the substance that dissolves in the solvent
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solvent | in a solution, the substance in which the solute dissolves
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concentration | the amount of a particular substance in a given quantity of a mixture, solution, or ore
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saturated solution | a solution that cannot dissolve any more solute under the given conditions
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aqueous solution | a solution in which water is the solvent
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hydroxide ion | the OH (-) ion
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hydronium ion | an ion consisting of a proton combined with a water molecule
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acid | any compound that increases the number of hydronium ions when dissolved in water
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base | any compound that increases the number of hydroxide ions when dissolved in water
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pH scale | a numeric scale used to determine to acidity or the basicity
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buffer | a solution made from a weak acid and its conjugate base that neutralizes small amounts of acids or bases added to it
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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.
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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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