Microbiology Nitrate Reduction Test

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=CUa7W6Ybe4w

In chemistry it is important to be able to tell the difference between the Nitride, Nitrite, and Nitrate ion. While the names are similar, they are very different substances. • Nitride is the ion of Nitrogen. It's formula is N 3- . • Nitrite is a polyatomic ion with a 1- ionic charge. It's formula is NO2 - . • Nitrate is a polyatomic ion with a 1- ionic charge. It's formula is NO3 - . • It is probably a good idea to memorize the Nitrate ion (NO3 -) since it comes up frequently in chemistry. You can then use the naming rule that an ion ending in -ite has one less Oxygen atom that the ion ending in -ate. So if Nitrate is NO3 - , then Nitrite is NO2 -. This rule can be used with other similar polyatomic ions as well. • Helpful Videos • Memorizing the Polyatomic Ions: • Memorizing and Using the List of Poly... • Finding Ionic Charge for Elements: • Finding the Ionic Charge for Elements... • Lewis Structure for Nitride ion: • How to Draw the Lewis Dot Structure f... • Lewis Structure for the Nitrite ion: • NO2- Lewis Structure: How to Draw the... • Lewis Structure for the Nitrate ion: • How to Draw the Lewis Dot Structure f... • • More chemistry help at http:/www.Breslyn.org

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