rutherford atom

Học thuật
Thân thiện
rutherford atom

A diagram shows the structure of a rutherford atom.

Definition
  1. Noun:
    • The Rutherford atom refers to the first modern concept of atomic structure, proposed by physicist Ernest Rutherford. In this model, all of the positive charge and most of the mass of the atom are concentrated in a tiny, dense, central nucleus. A number of electrons, equal to the atomic number, orbit this nucleus and occupy the remaining volume of the atom, thereby neutralizing its positive charge.
Usage Examples
  • Noun:
    • The rutherford atom represented a revolutionary departure from the earlier "plum pudding" model.
    • In the rutherford atom, the electrons were envisioned to orbit the nucleus like planets around the sun.
Advanced Usage
  • Historical Context: The term is primarily used in historical and educational contexts to describe a pivotal model in the development of atomic theory. It is often contrasted with earlier (Thomson) and later (Bohr) models.
    • The gold foil experiment provided the evidence necessary for proposing the rutherford atom.
Variants and Related Words
  • Rutherford model (n): A synonymous term for the Rutherford atom.
    • The Rutherford model successfully explained the results of alpha particle scattering experiments.
  • Planetary model (n): An informal name for this atomic concept, drawing an analogy to the solar system.
    • The planetary model of the atom, while insightful, had significant limitations.
Synonyms
  • Nuclear model of the atom: A descriptive synonym emphasizing the central nucleus.
  • Rutherford-Bohr model: A later, refined model that builds upon Rutherford's concept by quantizing electron orbits. (Note: This is a distinct, more advanced model).
Related Concepts (Not Phrasal Verbs or Idioms)
  • Alpha particle scattering: The key experiment that led to the proposal of the Rutherford atom.
  • Atomic nucleus: The central, dense core of the atom as defined in this model.
rutherford atom

A diagram shows the structure of a rutherford atom.

Noun
  1. first modern concept of atomic structure; all of the positive charge and most of the mass of the atom are contained in a compact nucleus; a number of electrons (equal to the atomic number) occupy the rest of the volume of the atom and neutralize the positive charge

Từ đồng nghĩa