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What are air molecules and water molecules?

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Air molecules is a little vague, the air that we breath is a mixture of mainly nitrogen (72% or so) oxygen and carbon dioxide. A water molecule is H20, two hydrogen polar covalently bonded to one Oxygen. Besides for the two bonds to H the oxygen also has 2 lone pairs of electrons. To spread the charge the molecule has a bent shape. Due to the difference in electronegativity between H and O and the shape of the molecule water is polar. This allows water to hydrogen bond which connect s the H from one molecule to the O of another molecule, holding water together as a liquid. When you boil water these intermolecular forces are overcome and each individual molecule separates from each other, creating water vapor ( which is water in the gas phase). However, each individual water molecule remains the same.
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What two gases found in air join to form water molecules?

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How Many water molecules are In water?

Thinking logically here... USING MY BRAIN!!! If there is 1 molecule of water for every 1 molecule of water, then the proportion of water molecules in water will be the same. 1