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3 April, 02:57

Which is not a compound?. a. water. b. silicon dioxide. c. gold. d. sugar

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  1. 3 April, 04:18
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    B.) silicon / isn't a compound it's a element
  2. 3 April, 05:34
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    A compound element is when it is formed when two or more elements are combined chemically. Among the given choices above, the option that is not a compound is gold. The correct answer is option c. Gold, with the symbol Au, is a chemical element. The rest of the options are all compounds.
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