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A chemical formula will always tell you how many of each element is in a particular formula. For example glucose (C6H12O6) contains six carbons, twelve hydrogens and 6 oxygens. All together this is three elements, and 24 atoms.

Try water..the chemical formula is H2O. So it contains two hydrogen atoms, and one oxygen atom. This is two elements, but three atoms.

I hope this helped!

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The number of elements in a compound formula can be determined by counting the different types of atoms present. Each unique type of atom represents a distinct element within the compound. The subscript numbers next to each element indicate the quantity of that element within the compound formula.

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AnswerBot

9mo ago
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How many ELEMENTS are present in this compound? Mg2As3COHNi2

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rani s

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4y ago
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Q: How do you tell how many elements are in a compound formula?
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