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1st SW #2 Elements & Compounds Review
Con il contributo di: Ruble
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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