What are the fundamental particles of matter?

The fundamental particles of matter are the building blocks of the universe, and they are divided into two main categories: quarks and leptons.

Quarks: Quarks are elementary particles that combine to form protons and neutrons, which are the building blocks of atomic nuclei. There are six types, or flavors, of quarks: up, down, charm, strange, top, and bottom.

Up and down quarks are the lightest and most common, making up protons and neutrons.
Charm, strange, top, and bottom quarks are much heavier and are typically found in high-energy environments, such as particle accelerators.
Leptons: Leptons are another class of elementary particles that do not experience the strong nuclear force and are not constituents of atomic nuclei. There are six types of leptons: electron, electron neutrino, muon, muon neutrino, tau, and tau neutrino.

The electron is a familiar lepton and is involved in forming the outer structure of atoms.
Neutrinos are neutral and interact very weakly with matter, making them challenging to detect.
These particles, along with their antiparticles (particles with the opposite charge), constitute the Standard Model of particle physics. The Standard Model successfully describes the electromagnetic, weak, and strong nuclear forces that govern the behavior of these particles. However, it does not account for gravity and dark matter, and efforts are ongoing to develop more comprehensive theories.