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10 Cards in this Set
- Front
- Back
hydronium ion |
the ion that forms when water gains a hydrogen ion |
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conjugate acid |
the ion or molecule formed when a base gains a hydrogen ion |
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conjugate base |
the ion or molecule that remains after an acid loses a hydrogen ion |
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conjugate acid-base pair |
consists of two ions or molecules related by the loss or gain of one hydrogen ion |
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amphoteric |
substance that can act as an acid or a base |
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Lewis acid |
substance that can accept a pair of electrons to form a covalent bond |
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Lewis base |
a substance that can donate a pair of electrons to form a covalent bond |
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How did Arrhenius define an acid and a base? |
According to Arrhenius, acids are hydrogen-containing compounds that ionize to yield hydrogen ions in an aqueous solution. Bases are compounds that ionize to yield hydroxide ions inaqueous solution. |
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What distinguishes an acid from abase in the Bronsted-Lowry theory? |
Acid: hydrogen-ion donor Base: hydrogen-ion acceptor |
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How did Lewis define an acid and a base? |
Acid: accepts a pair of electrons Base: donates a pair of electrons |