Soil is considered a mixture, as it is a composition in which each of the components retains its own properties. Mixtures have no fixed chemical structure or composition, and each of the atoms or molecules can be physica... More »

Sugar is a compound. Sugar, or sucrose, is composed of carbon, hydrogen and oxygen elements, and it has the chemical formula C12H22O11. More »

Sand is a heterogeneous mixture because it is a granular substance composed of small particles of rocks or minerals. A heterogeneous mixture contains components that are not uniform throughout the mixture. More »

A homogeneous mixture is one that has a uniform composition and the same properties throughout the mixture. This is different than a homogeneous substance, which means that there is only one kind of substance present. A ... More »

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Oxygen is an element, not a compound, and can be found on the periodic table with the atomic number eight. Oxygen is primarily found in two common forms, oxygen gas and in air. Oxygen gas molecules are made of two oxygen... More »

Strictly speaking, no element is named for a cleaning compound. Boron, however, is derived from the Arabic and Persian words for borax, the compound in which it's often found. Borax is a common component in many abrasive... More »

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Common table salt, without any of the extra ingredients that may be added to the retail food product, is a compound comprised of the metallic element sodium and the non-metallic element chlorine. The chemical name for pu... More »