Elements, compounds and mixtures 2

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Examine in detail the following figures where the red spheres represent oxygen atoms and white ones are hydrogen atoms.

 

 

Select the figure which represents a mixture of two compounds.

	Wrong. This figure represents a single compound, water H2O.
	Wrong. In this figure there are water molecules H2O and oxygen molecules O2.
	Wrong. In this figure only molecules of an element, oxygen O2 are shown.
	Right. This figure only shows a mixture of two compounds, water H2O and hydrogen peroxide H2O2.