Three properties of elements that can be used in sorting elements are; density, refractive index and melting/boiling point.
The properties that can be used to sort elements are intensive properties. These are properties that do not depend on the amount of substance present.
They are unique to each element and can serve as a kind of finger print to identify an element.
Three of such properties are;density, refractive index and melting/boiling point.
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