Fiveable
Fiveable

Thomson's Plum Pudding Model

Definition

Proposed by J.J. Thomson, this model suggests that an atom is a sphere filled with positive charge (the pudding), with negatively charged electrons embedded within it (the plums).

Analogy

Imagine an atom as a chocolate chip muffin. The muffin dough represents the positively charged sphere while the chocolate chips represent negatively charged electrons scattered throughout.

Related terms

Electron: A subatomic particle with a negative electric charge.

Charge: An attribute of matter that gives rise to electric force and interaction.

Subatomic Particle: Particles smaller than an atom; they include protons, neutrons, and electrons.

"Thomson's Plum Pudding Model" appears in:

collegeable - rocket pep

Are you a college student?

  • Study guides for the entire semester

  • 200k practice questions

  • Glossary of 50k key terms - memorize important vocab



© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.


© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.