naming - Students often have questions dealing with naming...

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Students often have questions dealing with naming the polyatomic ions and ionic compounds. Often most questions deal with the polyatomic oxyanions. This is mostly memorization. Writing each one several times will help. You need to memorize the following: MnO 4 - permanganate OH - hydroxide CN - cyanide C 2 H 3 O 2 - acetate (sometimes written as CH 3 CO 2 - ) NH 4 + ammonium You also need to memorize the following 5 polyatomic oxyanions ending in "-ate". The following oxyanions are used with some rules to get the names of many other polyatomic oxyanions. You need to know how to do this. You will have to know how to name many polyatomic oxyanions not listed in the table in chapter 4. You can only do this by knowing the "base" ions below (ending in -ate) and then how to change the names based on the # of O atoms, H atoms (H + ) added to these and the acids derived from these ions. CO 3 2- carbonate ClO 3 - chlorate NO 3 - nitrate PO 4 3- phosphate (applies to other group 5A elements, As, arsenic;
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This note was uploaded on 07/17/2008 for the course CHEM 101 taught by Professor Stegemiller during the Summer '07 term at Ohio State.

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naming - Students often have questions dealing with naming...

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