positively charged
Học thuậtThân thiện
Definition
Adjective: - Having a positive electrical charge: Describes a particle, ion, or object that has a deficiency of electrons relative to protons, resulting in a net positive electrical charge.
Usage
This adjective is used to describe the electrical state of a physical entity. It is commonly used in scientific contexts, particularly in physics and chemistry. - It typically precedes the noun it modifies (e.g., a positively charged ion). - It can also follow a linking verb like "is" or "becomes" (e.g., The electrode is positively charged).
Examples
- Scientific Context:
- In an electric field, a positively charged particle will move toward the negative terminal.
- The experiment required a positively charged surface to attract the negatively charged dust particles.
- When an atom loses an electron, it becomes positively charged.
Advanced Usage
- "to be positively charged": This is the standard phrasal construction to state the charge property of a subject.
- The cloud layer was found to be positively charged, while the ground below was negative.
Variants and Related Words
- Positively (adverb): In a positive manner; with certainty. (Note: This is the adverbial form of "positive," not directly related to charge in isolation).
- Charge (noun/verb): The physical property (noun) or the act of imparting that property (verb).
- Cation (noun): A type of ion that is positively charged.
- Anion (noun): A type of ion that is negatively charged (antonym context).
Synonyms
- Cationic: Pertaining to or being a positively charged ion.
- Electropositive: Having a tendency to release electrons and form positive ions.
Antonyms
- Negatively charged: Having a negative electrical charge.
- Anionic: Pertaining to or being a negatively charged ion.
Related Phrases
- Net positive charge: Emphasizes that the overall charge is positive, even if some negative charges are present.
- Despite having electrons, the ion's net positive charge comes from its excess protons.
- Carry a positive charge: An alternative way to describe the state.
- All protons carry a positive charge.
Adjective
- having a positive charge
- protons are positive