
Subatomic particle | Definition, Examples, & Classes | Britannica
Dec 12, 2025 · The term subatomic particle refers both to the true elementary particles, such as quarks and electrons, and to the larger particles that quarks form. Although both are …
Subatomic particle - Wikipedia
Subatomic particles are either "elementary", i.e. not made of multiple other particles, or "composite" and made of more than one elementary particle bound together.
Subatomic Particles - Science Notes and Projects
Jan 6, 2024 · Subatomic particles are the building blocks of atoms, the smallest units of matter that cannot be divided by any chemical means. But, they also exist separate from atoms.
Subatomic Particles You Should Know - ThoughtCo
May 5, 2025 · The atom is the smallest particle of matter than cannot be divided using a chemical means, but atoms consist of smaller pieces, called subatomic particles. Breaking it down even …
What are Subatomic Particles? - BYJU'S
A Subatomic particle is nothing but a particle which is smaller than an atom in size. Typically, an atom can be broken down into three subatomic particles, namely: protons, electrons, and …
Subatomic Particles Definition - Intro to Chemistry Key Term
Subatomic particles are the fundamental constituents of matter and energy, and their interactions govern the behavior of all physical phenomena. The three main subatomic particles are …
SUBATOMIC PARTICLE definition | Cambridge English Dictionary
SUBATOMIC PARTICLE meaning: 1. an extremely small piece of matter that is smaller than an atom or found inside an atom, such as…. Learn more.
Structure of the Atom: Understanding Subatomic Particles
The proton, the neutron, and the electron are the three so-called subatomic particles. The proton and neutron are each approximately 1000 times more massive than the electron.
SUBATOMIC PARTICLE Definition & Meaning | Dictionary.com
SUBATOMIC PARTICLE definition: Any of various particles of matter that are smaller than a hydrogen atom. Protons, neutrons, and electrons are subatomic particles, as are all hadrons …
Subatomic Particles (Simplified) Explained: Definition, Examples ...
The atom is fundamentally composed of a nucleus and three key subatomic particles: protons, neutrons, and electrons. Each of these particles has distinct characteristics, particularly in …