Multiple Choice
Which compounds do not have the same empirical formula?
A) C2H2, C6H6
B) CO, CO2
C) C2H4, C3H6
D) C2H4O2, C6H12O6
E) C2H5COOOCH3, CH3CHO
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Oxygen forms an ion with a charge
Q71: The correct name for CCl<sub>4</sub> is _.<br>A)carbon
Q121: Predict the charge of the most stable
Q121: Aluminum reacts with a certain nonmetallic element
Q123: Which species is an isotope of <sup>39</sup>Cl?<br>A)"<sup>40</sup>Ar<sup>+</sup>"<br>B)"<sup>34</sup>S<sup>2-</sup>"<br>C)"<sup>36</sup>Cl<sup>-</sup>"<br>D)"<sup>80</sup>Br"<br>E)"<sup>39</sup>Ar"
Q130: In the symbol below, x = _.
Q131: What is the molecular formula for octane?<br>A)C<sub>4</sub>H<sub>10</sub><br>B)C<sub>5</sub>H<sub>10</sub><br>C)C<sub>6</sub>H<sub>14</sub><br>D)C<sub>14</sub>H<sub>28</sub><br>E)C<sub>8</sub>H<sub>18</sub>
Q172: Sulfur forms an ion with a charge
Q241: Lithium is a _ and magnesium is
Q245: The formula of ammonium carbonate is _.<br>A)(NH<sub>4</sub>)<sub>2</sub>CO<sub>3</sub><br>B)NH<sub>4</sub>CO<sub>2</sub><br>C)(NH<sub>3</sub>)<sub>2</sub>CO<sub>4</sub><br>D)(NH<sub>3</sub>)<sub>2</sub>CO<sub>3</sub><br>E)N<sub>2</sub>(CO<sub>3</sub>)<sub>3</sub>