We’re being asked to identify if brass is an element, a compound, a homogeneous mixture or a heterogenous mixture.
Mixtures are not chemically combined.
Mixtures can either be:
• Homogenous: the components are evenly distributed and indistinguishable from each other
• Heterogenous: the components are not evenly distributed and distinguishable from each other
Musical instruments like trumpets and trombones are made from an alloy called brass. Brass is composed of copper and zinc atoms and appears homogeneous under an optical microscope. The approximate composition of most brass objects is a 2:1 ratio of copper to zinc atoms, but the exact ratio varies somewhat from one piece of brass to another.
Would you classify brass as an element, a compound, a homogeneous mixture, or a heterogeneous mixture?
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