Examlex
Which of the following has more than one allotrope?
Matter
Anything that occupies space.
Mass
A property of physical objects that measures the amount of matter in an object, affecting its resistance to acceleration under a force.
Occupies Space
A characteristic of matter that refers to the requirement of physical space for an object or substance to exist.
Conductor
A material that permits the flow of electric charges in one or more directions, such as metals.
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