the smallest known objects are subatomic particles, which are the building blocks of matter. These particles are incredibly tiny and exist at a scale beyond the capabilities of the naked eye to observe directly. Here are some of the smallest known subatomic particles:
Quarks: Quarks are elementary particles and the fundamental constituents of protons and neutrons, which make up the nucleus of atoms. They come in six different types or "flavors": up, down, charm, strange, top, and bottom.
Leptons: Leptons are another class of elementary particles and include electrons (which orbit the nucleus of atoms) and neutrinos. Like quarks, leptons are fundamental particles and not composed of smaller components.
Electrons: Electrons are negatively charged subatomic particles that orbit the nucleus of an atom. They have a mass much smaller than that of protons and neutrons.
Neutrinos: Neutrinos are electrically neutral, very light particles that interact weakly with matter. They are challenging to detect due to their weak interactions and extremely small mass.
It's important to note that our understanding of particle physics and the smallest known entities in the universe is based on the knowledge available . Since scientific research is an ongoing process, there may have been new discoveries or developments in particle physics. Scientists continue to explore the subatomic world and push the boundaries of our understanding of the smallest constituents of matter.