Guide Questions: Write your answer in a separate sheet of paper A. What are the two substances mentioned in the poem? B. What are the properties of an element? C. What are the properties of a compound?
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chemical element is a pure substance that consists of one type of atom. Each atom has an atomic number, which represents the number of protons that are in the nucleus of a single atom of that element. The periodic table of elements is ordered by ascending atomic number
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