Answer:
An element is a pure substance that has never been converted to a simpler substance by chemical means. When two or more elements combine in a chemical change, they form a compound. A pure substance might either be an element or a compound
Explanation:
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Answer:
An element is a pure substance that has never been converted to a simpler substance by chemical means. When two or more elements combine in a chemical change, they form a compound. A pure substance might either be an element or a compound
Explanation: