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a group of organic molecules formed by condensation of two alcohol molecules.
a bond formed when non-metal atoms share a pair of valence electrons to form a molecule.
a method of determining the concentration of an acid or base by neutralising it with a base or...
the energy liberated when an electron is added to an isolated, neutral atom in the gaseous state...
the temperature at which a substance changes phase from a liquid to a gas at a specific or fixed...