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Glossary of physical science chapter 11

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hydronium ion
a polyatomic ion with a negative charge, consisting of an oxygen atom and a hydrogen ion; OH(-)
acid
any substance that is capable of donating protons
pH scale
a scale that is used to indicate the relative concentrations of hydronium ions in a solution
indicator
an organic compound that shows a definite color change when it reacts with an acid or a base
Bronsted-Lowery theory of acids
the theory that defines an acid as a proton donor; developed by J.N. Bronsted and T.M. Lowery
neutralization
the reaction between an acid and a base that produces a salt and water
base
any substance that is capable of accepting a proton
Arrhenius acid or base
defines acid as a substance that increases the concentration of H(+) when dissolved in water and a base as a substance that increases the concentration of OH(-) when dissolved in water
ionization
the process of splitting a molecule into charged particles
salts
a substance that is formed from the negative ion of an acid and the positive ion of a base
hydrozide ion
a polyatomic ion with a negative charge, consisting of an oxygen atom and a hydrogen ion; OH(-)

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