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pH Vocabulary

common vocabulary words that are used when discussing pH

TermDefinition
pH A scale used to measure how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.
Acid A substance that donates hydrogen ions (H⁺) in a solution, resulting in a pH less than 7.
Base A substance that accepts hydrogen ions or donates hydroxide ions (OH⁻) in a solution, resulting in a pH greater than 7.
Neutralization A chemical reaction in which an acid and a base react to form water and a salt, often resulting in a neutral pH of 7.
Indicator A chemical compound that changes color in response to changes in pH, used to determine the acidity or basicity of a solution.
Hydrogen (H⁺) or Hydronium Ion The ion formed when a hydrogen ion (H⁺) attaches to a water molecule (H₂O), represented as H₃O⁺, which indicates acidity.
OH⁻ or Hydroxide Ion A negatively charged ion (OH⁻) that indicates basicity in a solution.
Buffer A solution that resists changes in pH when small amounts of acid or base are added, helping to maintain a stable environment.
Created by: user-2013806
 

 



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