How to Write the Name for N2O5











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In this video we'll write the correct name for N2O5. To write the name for N2O5 we’ll use the Periodic Table and follow some simple rules. • Because N2O5 consists of two non-metals we don't need to balance the charges between atoms. Instead, we'll use prefixes to indicate the number of each element. • Mono = 1 • Di = 2 • Tri = 3 • Tetra = 4 • Penta = 5 • Hexa = 6 • Hepta = 7 • Octa = 8 • Non = 9 • Dec = 10 • -- Keys for Naming Molecular Compounds:-- • 1. Write the name for both elements. • 2. Change the ending of the second element to ide. • 3. Place prefixes in front of each element based on the number of atoms present. • 4. The prefix 'mono' is only used on the second non-metal in the chemical formula. • 5. There shouldn't be two vowels in a row. For example, when you have 'mono' in front of 'oxide' it is written 'monoxide', not 'monooxide'. • ----------------------------- • For a complete tutorial on naming and formula writing for compounds, like Dinitrogen pentoxide and more, visit: • http://www.breslyn.org/chemistry/naming • • Drawing/writing done in InkScape. Screen capture done with Camtasia Studio 4.0. Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo).

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