Examlex
Find the smallest partial order relation on {1, 2, 3} that contains (1, 1), (3, 2), (1, 3).
Atom
The smallest unit of a chemical element, consisting of a nucleus of protons and neutrons, surrounded by electrons.
Negative Charge
A type of electrical charge characterized by the presence of more electrons than protons in an atom or molecule.
Electron
A subatomic particle with a negative charge, fundamental to electricity and chemical bonding.
Light
Electromagnetic radiation that is visible to the human eye, with wavelengths approximately between 380 and 750 nanometers.
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