Element Compound, Mixture

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What is a homogeneous mixture?

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A homogeneous mixture is a mixture in which the composition is uniform throughout. An example is sweet tea, where the sugar is evenly dissolved.

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What is a heterogeneous mixture?

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A heterogeneous mixture is a mixture in which the composition is not uniform throughout. An example is a salad, where different ingredients can be seen and separated.

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What is a compound?

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A compound is a substance formed when two or more different elements are chemically bonded together. An example is water (H2O), which is made of hydrogen and oxygen.

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What is an element?

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An element is a pure substance that cannot be broken down into simpler substances by chemical means. Examples include hydrogen (H), oxygen (O), and gold (Au).

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What is a mixture?

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A mixture is a combination of two or more substances where each substance retains its own properties. Mixtures can be homogeneous or heterogeneous.

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What is the difference between a compound and a mixture?

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A compound is a chemical combination of elements, while a mixture is a physical combination of substances that can be separated.

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What is a solution?

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A solution is a homogeneous mixture where one substance (the solute) is dissolved in another (the solvent). An example is saltwater.

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What is a mixture of compounds?

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A mixture of compounds contains two or more different compounds mixed together without any chemical bonding. An example is a mixture of salt and sugar.

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What is a mixture of elements?

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A mixture of elements contains two or more different elements mixed together without any chemical bonding. An example is a mixture of iron and sulfur.

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What is a chemical bond?

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A chemical bond is a lasting attraction between atoms, ions, or molecules that enables the formation of chemical compounds.