1.which substance is a compound?why?
2.which substance is an element? why?
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1.which substance is a compound?why?
2.which substance is an element? why?
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Answer:
1.substance that can be broken down into chemically simpler components (because it has more than one element) is a compound. For example, water is a compound composed of the elements hydrogen and oxygen
2.Any substance that contains only one kind of an atom is known as an element. Because atoms cannot be created or destroyed in a chemical reaction, elements such as phosphorus (P4) or sulfur (S8) cannot be broken down into simpler substances by these reactions.