YazidV762809 YazidV762809

25-10-2022
Biology

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Which of the following substances is not an element?Iron, oxygen, water, carbon,hydrogen

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CalliahL146807 CalliahL146807

25-10-2022

The substance that is not an element is water, it is formed by one atom of the element oxygen and two atoms of the element hydrogen.

The rest of the substances, iron, oxygen, carbon and hydrogen, are pure elements formed by equal atoms.

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