un:chemical-element
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| A chemical element is a pure substance that consists of atoms with the same number of protons in their atomic nuclei. Each element is represented by a unique symbol, typically consisting of one or two letters. Elements are the fundamental building blocks of matter and cannot be broken down into simpler substances through chemical reactions. | A chemical element is a pure substance that consists of atoms with the same number of protons in their atomic nuclei. Each element is represented by a unique symbol, typically consisting of one or two letters. Elements are the fundamental building blocks of matter and cannot be broken down into simpler substances through chemical reactions. | ||
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un/chemical-element.1687372129.txt.gz · Last modified: by asad