The characteristics below that describe elements are: one type of atom and a pure substance. The correct options are A and B.
What is an element?
An element is a kind of atom that contain a specific amount of protons in its nuclei, and they can be a pure species. Chemical elements can be divided any further.
It is clear that the elements are pure substances, and they are one type of atom.
Thus, options A and B are correct regarding the characteristics of elements.
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