How we write chemical formula
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Through the given name of the elements
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Chemical Formula. As already stated, a chemical formula is a symbolic expression signifying the number of atoms present in a molecular substance. We determine the type of atom by referring to its symbol, so for Hydrogen, we will use H. The number of atoms is determined by the subscript attached to the symbol.
example
the chemical formula for water is H2O which indicates that 2 atoms of Hydrogen combines with 1 atom of oxygen. To type or write a subscript for a chemical formula or equation just follow these simple instructions: Type in the formula or equation for example H2O. Highlight the number.
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