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Sunday, 05/11/2014 5:40:24 PM

Sunday, May 11, 2014 5:40:24 PM

Post# of 17377
water (HOH) 18 2 hydrogen atoms 1 oxygen atom weight =18
http://www.worldofmolecules.com/water/water1.htm

nitrogen (NN) 28 2 nitrogen atoms

N2 has mass 28.0g
1 N +1 N=28 aka 14X2
oxygen (OO) 32 2 oxygen atom

each atom is 16 grams 16X2=32


Molecules always tend to group together, their formation depending on their state. Such as in a gaseous state, the molecules tend to be just flying around. In a liquid state, the molecules tend to be loosely grouped together so that they can still move. Whereas in a solid state, the molecules are tightly packed together and can only vibrate

So as water becomes becomes a gas it becomes lighter then Oxygen n Nitrogen.

What is air made of?
Dry air is primarily made up of nitrogen (78.09%) and oxygen (20.95%). The remaining 1% is made up of argon (0.93%), carbon dioxide (0.039% as of 2010) and other trace gases (0.003%). Water vapor (water in its gaseous state) is also present in the atmosphere in varying amounts, by up to 2%.


( o what is the first 1???Hmmm I wonder why I included it???)

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