nucleon
Học thuậtThân thiện
Definition
Noun: A nucleon is a fundamental constituent particle of an atomic nucleus. Specifically, the term refers collectively to protons and neutrons, the two types of particles that make up the nucleus of an atom.
Usage
The word "nucleon" is a scientific term used primarily in physics and chemistry to discuss the components of an atomic nucleus. * The number of nucleons in an atom's nucleus defines its mass number. * In nuclear reactions, nucleons can be rearranged or transformed.
Examples
- A helium-4 nucleus contains four nucleons: two protons and two neutrons.
- The strong nuclear force is what binds nucleons together within the nucleus.
- Scientists study how nucleons interact at very short distances.
Advanced Usage
- Nucleon Number: Another term for the mass number (A), which is the total count of protons and neutrons in an atom's nucleus.
- Nucleon Configuration: The specific arrangement and numbers of protons and neutrons within a nucleus, which determines the stability and properties of the nuclide.
Variants and Related Words
- Nucleonic (adjective): Pertaining to nucleons.
- Nucleonic interactions are governed by the strong force.
- Nucleonics (noun, plural in form but singular in use): The branch of physics and technology concerned with the practical applications of nuclear phenomena.
Synonyms
- Nuclear particle
- Subatomic particle (specifically within the atomic nucleus)
Different Meanings
The word "nucleon" has a single, specific scientific meaning and is not commonly used in figurative or idiomatic contexts. It does not have phrasal verbs or idioms associated with it.
Noun
- a constituent (proton or neutron) of an atomic nucleus