Quarks
Along with leptons, quarks are basic building blocks of all matter. According to the standard model of particle physics, fermions (quarks and leptons) are the basic constituents of all matter. ...
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Quarks
In 1869, Dmitri Mendeleev proposed the periodic law as a method for organizing the known chemical elements in a systematic way. The periodic law was important to chemists because it brought som...
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Quarks
Quarks