ionise
/'iaənaiz/ Cách viết khác : (ionise) /'aiənaiz/
Definition
Verb (transitive):
- To convert an atom or molecule into an ion by adding or removing one or more electrons.
- To subject a substance to a process that produces ions.
Verb (intransitive):
- To become converted into ions; to dissociate into ions.
Usage
- Transitive Verb: The action is done to an object (e.g., The radiation will the gas).
- Intransitive Verb: The action occurs by itself (e.g., The gas will under high voltage).
Examples
- Transitive Usage:
- Ultraviolet light can ionise atoms in the upper atmosphere.
- The strong electric field is used to ionise the sample for mass spectrometry.
- Intransitive Usage:
- When heated to a plasma state, the gas begins to ionise.
- These molecules readily ionise in aqueous solution.
Advanced Usage
- Scientific Context: The term is predominantly used in physics and chemistry to describe fundamental processes in plasmas, radiation chemistry, and electrochemistry.
- "Ionise completely": Refers to a substance dissociating fully into ions.
- Strong acids ionise completely in water.
- "Ionise partially": Refers to a substance where only a fraction of molecules dissociate into ions.
- Weak acids only ionise partially in solution.
Variants and Related Words
- Ionisation (noun, chiefly British spelling): The process or result of ionising.
- The ionisation of air creates plasma.
- Ionised (adjective): Describing a substance that has been converted into ions.
- Ionised particles are affected by magnetic fields.
- Ioniser (noun): A device that produces ions, especially to purify air.
- The room has an air ioniser.
- Deionise (verb): To remove ions from a substance.
- We need to deionise the water for the experiment.
- Reionise (verb): To ionise again.
- The nebula began to reionise after the star's formation.
Synonyms
- Charge (verb, in specific contexts): To give an electric charge to.
- Dissociate (verb, in chemical contexts): To split into smaller particles, such as ions.
Antonyms
- Neutralise (verb, in chemical contexts): To combine ions to form a neutral compound.
- Deionise (verb): To remove ions.
Related Phrases and Compounds
- Ionisation energy: The minimum energy required to remove an electron from an atom or molecule.
- Helium has a very high first ionisation energy.
- Ionisation chamber: A device for detecting ionising radiation.
- The Geiger counter contains an ionisation chamber.
Verb
-
convert into ions
-
become converted into ions
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ chứa "ionise"
