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Hydrogen Ions

Definition

Hydrogen ions (H+) are single proton with no electrons and play crucial roles in chemical reactions, especially those involving acids and bases.

Analogy

Consider hydrogen ions as guests at a party. When they arrive (enter a solution), they can change the mood (pH level). If too many show up, it becomes an 'acid' party!

Related terms

Proton Donors/Acids: Substances that donate hydrogen ions to solutions.

Proton Acceptors/Bases: Substances that accept hydrogen ions from solutions.

Hydroxide Ion(OH-): An ion consisting of oxygen and hydrogen joined by a covalent bond; it's what's left after a base has accepted a proton.

"Hydrogen Ions" appears in:

Subjects (1)

Practice Questions (1)

  • Changes in pH, or a concentration of hydrogen ions, will denature all of the following levels of protein structure except:


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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.