Writing a chemical formula given a molecular model

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Writing a chemical formula given a molecular model 1. Write one chemical symbol for each element. Capitalize only the first letter of each element 2. Use a subscript for the number of each elements 3. Write the symbols in the order in which the elements appear in the periodic table, going from left to right. 4. Hydrogen is an exception to rule 3: write H
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Unformatted text preview: after all elements except those in Groups 6A or 7A 5. Molecules containing only H and elements from Groups 6A and 7A: write H first 6. There are still more exceptions to these rules, which we will learn about later when we know more about the chemical behavior of molecules...
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