
Electron - Wikipedia
In atoms, an electron's matter wave forms an atomic orbital around a positively charged atomic nucleus. The configuration and energy levels of an atom's electrons determine the atom's …
Electron | Definition, Mass, & Facts | Britannica
Oct 14, 2025 · In a neutral atom the number of electrons is identical to the number of positive charges on the nucleus. Any atom, however, may have more or fewer electrons than positive …
What Is an Electron? Definition and Facts
Dec 8, 2018 · Learn what an electron is. Get its definition, learn where to find electrons, and understand the properties of this type of matter.
Science Made Simple: What Are Electrons? - SciTechDaily
May 21, 2024 · Electrons are elementary subatomic particles with negligible mass that surround the nucleus of an atom. They are bound to the nucleus due to electromagnetic attraction, with …
DOE Explains...Electrons - Department of Energy
The electron is a subatomic particle that is found in all atoms. Unlike protons, neutrons, or the nuclei of atoms, electrons are elementary particles. This means they are not made of even …
Electron Definition in Science - ThoughtCo
Jun 9, 2025 · Electrons are negatively charged particles found outside the nucleus of an atom. Electrons are much lighter than protons and are key in conducting electricity in solids. …
What Are Electrons? The Movers of Modern Technology
Jun 1, 2025 · Electrons became the building blocks of charge, interaction, and motion—key players in a universe that was far more dynamic and mysterious than Newton had imagined.
What is an Electron? - GeeksforGeeks
Jul 23, 2025 · Electrons are subatomic particles that have an elementary charge of (-1) magnitude. The charge held by an electron is equal in magnitude and has the opposite sign to …
Electron - New World Encyclopedia
Electrons are found within atoms and surround the nucleus of protons and neutrons in a particular electron configuration. It is the electonic configuration of atoms that determines an element ’s …
4.4: The Properties of Protons, Neutrons, and Electrons
Even though electrons, protons, and neutrons are all types of subatomic particles, they are not all the same size. When you compare the masses of electrons, protons, and neutrons, what you …