Element: Oxygen, Chlorine, Helium , Hydrogen, , Copper, Gold, Compound: Water, Carbon dioxide , Sodium Chloride , Glucose , Nitrogen dioxide, Vinegar , Heterogenous Mixture : trail mix, chocolate chip cookie, rocks and water , Pasta salad, Pizza, Homogenous Mixture : Orange juice, Salt water, tea, sugar water , Cake batter, salt and sugar,

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