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Water, which contains two hydrogen atoms and one oxygen atom in a molecule is a polar molecule. That is because in a water molecule, the middle which is where the oxygen atom is located, is negatively charged and either end which are the hydrogens are positively charged. In water, the molecule is bent due to an almost 105 degree bond in the angles between the H atoms on either side of the O atom in the center. This causes the water molecule to have a non-linear shape. It contains two pairs of bonded electrons and two unshared lone pairs. Due to its shape, and polarity, water molecules are greatly attracted to one another. This creates surface tension. It also causes a drop of water to seem to stretch out of a faucet before it finally falls.
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