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Identify and state the historical significance of Ulysses S. Grant.
Protons
Positively charged subatomic particles found within the nucleus of an atom, contributing to the atom's charge and atomic number.
Electrons
Subatomic particles with a negative electrical charge, found in all atoms and acting as the primary carriers of electricity in solids.
Periodic Table
A structured table of chemical elements, sorted by atomic number, electron configuration, and repetitive chemical characteristics.
Dmitri Mendeleev
A Russian chemist and inventor best known for formulating the Periodic Law and creating a farsighted version of the periodic table of elements.
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