Water is a "polarmoleculemeaning that there is an uneven distribution of electron density. Water has a partial negative charge ( ) near the oxygen atom due the unshared pairs of electrons, and partial positive charges ( ) near the hydrogen atoms.
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A polar molecule is a molecule containing polar bonds where the sum of all the bond's dipole moments is not zero.
Examples: Water is a polar molecule. Carbon dioxide is made up of polar bonds, but the dipole moments cancel each other out and therefore is not a polar molecule.
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