Entity: ELECTRON
An electron is an elementary particle with a negative charge and a very small mass, fundamental to the structure of atoms.
ELECTRON
Etymology
The term 'electron' originates from the Greek word 'ēlektron', meaning amber.
Definition
An electron is an elementary particle with a negative charge of 1.602 × 10 −19 coulombs and a mass of 9.108 × 10 −31 kilograms. It plays a crucial role in the structure of atoms.
Historical Context
The concept of the electron was first proposed by J.J. Thomson in 1897 during his experiments with cathode rays, leading to the development of modern atomic theory.
Cultural Significance
Electrons are fundamental to the functioning of electronics, forming the basis of modern technology and communication systems.
Related Concepts
Other related concepts include protons, neutrons, and atomic structure.
See Also
A fundamental particle with a negative charge of 1.602 × 10 −19 coulombs and a mass of 9.108 × 10 −31 kilograms, existing independently or as part of an atom.