1st SW #2 Elements & Compounds Review
 1. What is sugar (C6H12O6) ? element mixture compound  2. What is gold (Au)? element mixture compound  3. What is water (H2O) ? element mixture compound  4. This picture represents which of the following? element mixture compound  5. This picture represents which of the following? element mixture compound 6. Which of the following represents an element? H2O NaCl CaCo3 H 7. Which of the following is NOT a compound? HCl NaCl Cl CO2  8. Is the following an element or a compound? element compound 9. An element is a pure substance molecule compound mixture 10. How many elements are in ULaVHeO 7 2 5 12 11. How many elements are in HeOCuS 6 2 5 4 12. How many elements are in the compound Fe2O3 ? 5 2 1 3 |
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