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10 Cards in this Set

  • Front
  • Back

hydronium ion

the ion that forms when water gains a hydrogen ion

conjugate acid

the ion or molecule formed when a base gains a hydrogen ion

conjugate base

the ion or molecule that remains after an acid loses a hydrogen ion

conjugate acid-base pair

consists of two ions or molecules related by the loss or gain of one hydrogen ion

amphoteric

substance that can act as an acid or a base

Lewis acid

substance that can accept a pair of electrons to form a covalent bond

Lewis base

a substance that can donate a pair of electrons to form a covalent bond

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.

What distinguishes an acid from abase in the Bronsted-Lowry theory?

Acid: hydrogen-ion donor


Base: hydrogen-ion acceptor



How did Lewis define an acid and a base?

Acid: accepts a pair of electrons


Base: donates a pair of electrons