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hydrogen ion Definition

hydrogen ion

noun

  1. the positively charged nucleus of hydrogen, H, without its electron
  2. hydronium ion

hydrogen ion Usage Examples

Preposition: from

  • acid: The ammonia molecule picks up a hydrogen ion from the acid and attaches it to the lone pair on the nitrogen.

Converse of object

  • remove: An ammonia molecule removes a hydrogen ion from the -NH 3 + group in a reversible reaction.
  • accept: Base: a substance that can accept hydrogen ions in solution.
  • allow: At high hydrogen concentrations the microorganism would allow hydrogen ions to leak through the cell membrane.

Adjective modifier

  • free: Urease breaks down urea to form ammonia and free hydrogen ions which raise the pH of the urine making it alkaline.

Modifies a noun

  • concentration: Hydrogen ion concentration pH units 6.5 ( minimum ) 9.5 ( maximum ) 13.
  • content: The pH scale is the negative logarithm of the hydrogen ion content of water.
  • increase: With sustained muscle contraction hydrogen ion concentration increases and a general PH decreases ( Tesch et al, 1977 ).

Preposition: in

  • solution: There are two components to total soil acidity: Active acidity due to hydrogen ions in solution in the soil.