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37 bytes removed ,  03:25, December 20, 2007
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'''Ammonium''' is an important [[polyatomic ion]] with [[chemical formula]] NH<sub>4</sub><sup>+</sup>.
 
'''Ammonium''' is an important [[polyatomic ion]] with [[chemical formula]] NH<sub>4</sub><sup>+</sup>.
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[[Category:Chemistry]]
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[[Category:Ions]]
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[[Category:Chemical Compounds]]
 
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