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Polar molecule
In chemistry, a polar molecule is one that has concentrations of positive or negative electric charge. Polar compounds are soluble only in other polar compounds.
Water
A commonly-used example of a polar compound is water (H2O). The electrons of water's hydrogen atoms are strongly attracted to the oxygen atom, and are actually closer to oyxgen's nucleus than to the hydrogen nuclei; thus, water has a relatively strong negative charge in the middle, and a positive charge at the ends.
O
H H <--- a water molecule
See Also
See also: nonpolar, hydrophilic
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Polar molecule
andrea_ward@hotmail.com - November 7th, 2005
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which of the following would be a polar molecule - o2 HCl cH4 F2
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