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).

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.