Q:

Is gold homogeneous or heterogeneous?

A:

Pure gold is homogenous, as it is entirely made up of the same chemical element. If a piece of gold were separated into its individual atoms, each atom would still have the same properties and chemical composition.

All elements in their pure form are homogenous. Chemical compounds, which consist of two or more elements chemically bonded together that cannot be physically separated, are also homogenous. This is the opposite of a mixture, which is a heterogenous compound in which the individual components of the mixture can be physically separated. Elements must undergo a chemical change to form compounds, but no change is required for elements to form mixtures.

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