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Q: Why must quarks and leptons combine in twos or threes?
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Do quarks have mass?

Since all protons and neutrons are made of quarks and they have mass, quarks must have mass (in fact they do).


For a microscope to be useful it must combine two properties?

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What phenomenon is the reason that quarks are never directly observed or found in isolation?

Quantum Chromodynamics, which is best explained by quarks having a property called color charge. The three colors are red, blue, and green; all particles constituted of quarks must be color neutral.


What are the smallest particle of an element?

The smallest particle of an element would be an atom. Any smaller and it would not be an element, but something more basic. Atoms are made of Protons, Neutrons, and Electrons. Protons and Neutrons are made of Quarks, Leptons, and Bosons.


How many flavors of quark are there?

As far as we know, quarks are the smallest particles to exist. We have found 6:- Top- Bottom- Up- Down- Strange- CharmEach of the quarks also has a property called color charge. These are red, green, and blue. Particles that are constituted of quarks must be color neutral. In all, there are 18 different possible types of quarks if one does not count antimatter. When antimatter is taken into account, that number increases to 36.


Why must protons and neutrons have three quarks?

Because that way the mathematics of the physics works and correctly predicts experimental results.


What explain atoms on Mars must be composed of?

Atoms on mars are composed of protons and electrons which are composed of quarks, the same as atoms everywhere in the universe.


Why must the CKM matrix be unitary?

Unitary matrices leave the expectation value unchanged. We need the mixing matrix to be unitary (to preserve the mixed quarks as a basis, to preserve length); if VCKM were not unitary, it would perhaps suggest that a fourth generation of quarks needed to be considered or included.


Nba 2k10 how to get to draft combine?

In the draft combine which you must purchase is a game which follows NBA2k10. You must create a player on 2k10 and as you build him up you can buy the NBA draft combine and get him drafted to the NBA. There you can play with him as an NBA star.


What device should be used when powders must be combine with liquids?

A teaspoon


Must a designer combine a sense of aesthetics with business to be a success?

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Neutrons and protons are examples of what?

Protons and neutrons are both hadrons, and any hadron is comprised of three of six quarks. A hadron must have an integer charge in terms of a proton's charge (+1), with quarks having a charge of either +2/3 or -1/3.