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Ooh. This is fun.
Ammonia's formula is NH3.
There's 8 valence electrons to mess with.
6 for each H. So that makes a trigonal planar.
But that leaves us with 2 extra electrons.
Those get bonded too, so that makes a tetrahedral.
But since the 4th bond is only electrons, that is called a trigonal pyramidal.
Long story short, being symmetrical would mean that Ammonia is unpolar. (and it isn't.) Those 2 extra electrons make one side of the molecule more negative than the other, so it repels the electrons on the 3 H's, so it's unsymmetrical. (and polar.)
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∙ 12y ago
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it isnt
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99.95%(pure ammonia) or better is Refridgeration grade ammonia.
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Anhydrous ammonia is pure ammonia. Under normal conditions it is a gas, but it is usually stored as a liquid under pressure. Aqueous ammonia is ammonia dissolved in water. Household ammonia is a 3% solution of aqueous ammonia.
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It is regular old ammonia -- NH3. "Ammonia-D" is a trademarked name for ammonia in Windex.
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