Density is an intensive property of a substance, meaning it does not change regardless of the amount present. In contrast, volume, length, and mass are considered extensive properties as they depend on the quantity of the substance. Recognizing these properties is essential for studying chemical substances effectively. ;
The intensive property from the provided options is density, as it remains constant regardless of the amount of substance present. In contrast, volume, length, and mass are extensive properties dependent on the quantity. Therefore, the correct answer is A. density.
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