1. Write down the symbol of the first non-metal element and the second non-metal.
2. Using the table of prefix below, the subscript is the number from the prefix. For no prefix, it is a subscript of 1.
Example: Disulfur heptachloride
Step 1 S Cl
Step 2 S2Cl7
More Examples: Carbon disulfide, Decaoxygen pentanitride
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2. Add prefix from table (1st letter needs capital) End of 1st word.
3. Write down the second non-metal name. Add prefix from table (no capitals in 1st letter). Important: If fitrst element has subscript of 1, you Do not add "mono".
4. replace ending with "ide".
Example: F2O1
Step 1 Fluorine
Step 2 Difluorine
Step 3 monoxygen
Step 4 Difluorine monoxide
More Example: C1O1, N3P8