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a molecule that has a partial negative charge at one end and a partial positive charge at the other end.
the arrangement of electrons in the different orbitals in an atom.
the mass of any substance relative to the amount of the substance; the mass of one mole of any...
the movement of particles suspended in a fluid (a liquid or a gas) as a result of being bumped...
a battery consists of two or more galvanic cells connected to each other electrically.
the energy level, or shell, of an atom that contains the valence electrons.