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table salt |
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| Apr20-11, 02:59 PM | #1 |
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table salt
Is the combination of an positive sodium with a negative chlorine neutral ?
If so, what attracts and holds together other sodiums and chlorines to make a grain of salt ? |
| Apr20-11, 03:14 PM | #2 |
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In the crystal lattice each sodium ion is surrounded by six chloride ions, each chloride ion is surrounded by six sodium ions - and they all attract each other.
http://departments.kings.edu/chemlab...tion/nacl.html |
| Apr20-11, 03:36 PM | #3 |
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This picture should explain it
http://www.chemistry.wustl.edu/~edud...mages/nacl.jpg NaCl doesn't exist as just one Na+ ion bonded to just one Cl- ion. Its millions of Na+ cations and Cl- anions ionically bonded to form a lattice like that. |
| Apr21-11, 02:10 AM | #4 |
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Recognitions:
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table salt
Even though a hypothetical molecule NaCl is neutral, it has a strong dipole moment and higher multipole moments which lead to a strong attraction of the molecules which can serve as an alternative explanation of how the crystal is formed.
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