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Hydroxide ion (OH⁻)

Hydroxide ion (OH⁻)

A compound ion formed when a water molecule releases a proton.

Chemistry

Keywords

hydroxide ion, anion, compound ion, alkaline, pH, alkaline pH, pOH, ion concentration, ion, inorganic chemistry, chemistry

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Hydronium ion (H₃O⁺)

The presence of hydronium ions relative to hydroxide ions determines a solution´s pH.

Water (H₂O)

Water is a very stable compound of hydrogen and oxygen, vital for all known forms of life. In nature it occurs in liquid, solid and gaseous state.

Hydrogen (H₂)

Colourless, odourless, lighter-than-air gas. The most common chemical element in the universe.

Oxygen (O₂) (intermediate)

A colourless, odourless gas, an important component of the atmosphere, indispensable to sustain terrestrial life.

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