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There are quarks in the nucleus of an atom, but they are found there because quarks make up protons and neutrons which make up atomic nuclei. They (quarks) do not have "individual identities" in the nucleus of an atom, but are elementary particles that are the building blocks of composite particles called hadrons. Quarks are never found in isolation anywhere.
6 Quarks (Up, Down, Charm, Strange, Top, Bottom) 6 Leptons (Electron, Muon, Tau, Electron Neutrino, Muon Neutrino, Tau Neutrino) 5 Bosons (Photon, W+,W- & Z Bosons, Gluon) Overall 17
The electron is considered to be an elementary particle and not composed of other particles, so there are no quarks in an electron. Particles composed of quarks are called Hadrons, the best-known being the Proton and the Neutron. The electron, on the other hand, is a Lepton.
6 Quarks (Up, Down, Charm, Strange, Top, Bottom) 6 Leptons (Electron, Muon, Tau, Electron Neutrino, Muon Neutrino, Tau Neutrino) 5 Bosons (Photon, W+,W- & Z Bosons, Gluon) Overall 17
Yes, there have definitively been proven to be particles smaller than protons, neutrons, and electrons which in fact make up protons, neutrons, and electrons. Many others are theorized and their operations are much hypothesized but not necessarily known. That is the field of quantum physics. Chemistry concerns itself primarily with electrons (though protons and neutrons play their roles). The quantum-physics particles which make up protons, neutrons, and electrons are generally thought of to be in a different class or category, though they are technically "sub atomic particles."
Aluminum does not have quarks. Quarks are elementary particles that make up protons and neutrons, which are found in the nucleus of atoms. Aluminum has 13 protons and 14 neutrons in its nucleus, each made up of quarks.
If you are talking about "elements" when saying "things" here, it's the atom. The atom is the smallest unit an element can be divided into that retains the chemical properties and physical characteristics of that element. Atoms can be broken down into protons, electrons and neutrons, and these in turn can be broken down further, but this can only be done under special conditions, like by using the big accelerators in a nuclear physics lab.
cell membrane, nucleus,mitochondria
There are 6 different types of quarks, named in pairs:Top, BottomStrange, CharmUp, Down0123qwerty0123But don't forget that all particles, besides force particles ( gravity-graviton, electromagnetism-photon, weak force-low guage boson, strong force-gluon ), have antimatter counterparts.Anti-top, Anti-bottomAnti-strange, Anti-charmAnti-up, Anti-down
A proton and neutron are both composed of three quarks. An electron is a fundamental particle and is not composed of smaller particles.
3 they have 2 up quarks and 1 down quarks (yes its quarks not quarts) :D
I think perhaps your confused here somewhat. A fermion is a particle which obeys the Pauli exclusion principle; put simply two fermions can not be in the same state (i.e. have the same set of quantum no's) at the same time. Fermions cannot be broken down into anything smaller, fermions include quark's, electron's, muon's, tau's and neutrino's which are elementary i.e. not made of anything but energy Quarks make up all other particles. Bosons can be made of 3 quarks and are split into two catergorys: Baryons such as Protons, Neutrons and many other heavy particles these are effectively composite fermions as they contain 3 quarks. Or Mesons, which contain one quark and an anti quark and hence are not composite fermions.