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Which of the following is a chemical property of copper?Is a solid at room temperatureThe density is 8.96 g/cmReacts with oxygen to form a green-colored, copper oxideThe melting point is 1,085 °C

User Lqez
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We have different properties of the matter, divided into physical and chemical properties:

In physical, we have all the properties that are involved in the physical changes, like state change. And also, are those which describe the physical aspects of the matter. Examples of these properties are density, melting point, boiling point, color, shape, state, electrical or thermal conductivity, and others.

In chemical, we have the properties involved in the chemical reactions of the substance. For example, the type of bonds, the reactions that can occur to the substance, and others.

The only chemical property named in the options is the third: reacts with oxygen to form a green-colored oxide.

User Stojke
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