Add the number of atoms present as a subscript. The difference between an element and a compound is that an element is a substance made of same type of atoms whereas a compound is made of different elements in definite proportionsExamples of elements include iron copper hydrogen and oxygenExamples of compounds include water H 2 O and.
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Elements and compounds are pure chemical substances found in nature.
. Using this prefix write the number of atoms as a subscript to the right of the chemical symbol. As you did with the first element identify the number of atoms present in the second element by reading the prefix.
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