Multiple Choice
In the symbol below, x = ________. 
O
A) 17
B) 8
C) 6
D) 7
E) not enough information to determine
Correct Answer:
Verified
Correct Answer:
Verified
Q18: What is the molecular formula for pentane?<br>A)C<sub>2</sub>H<sub>8</sub><br>B)C<sub>3</sub>H<sub>6</sub><br>C)C<sub>4</sub>H<sub>8</sub><br>D)C<sub>5</sub>H<sub>12</sub><br>E)C<sub>5</sub>H<sub>10</sub>
Q19: Which formula/name pair is incorrect?<br>A)FeSO<sub>4</sub> iron(II)sulfate<br>B)Fe<sub>2</sub>(SO<sub>3</sub>)<sub>3</sub> iron(III)sulfite<br>C)FeS
Q78: The element lithium is in a group
Q117: Which pair of elements below should be
Q152: Elements in Group 6A are known as
Q180: Of the following,the smallest and lightest subatomic
Q196: Which atom has the largest number of
Q224: What is the molecular formula for 1-propanol?<br>A)CH<sub>4</sub>O<br>B)C<sub>2</sub>H<sub>6</sub>O<br>C)C<sub>3</sub>H<sub>8</sub>O<br>D)C<sub>4</sub>H<sub>10</sub>O<br>E)C<sub>5</sub>H<sub>12</sub>O
Q232: The correct name for H<sub>2</sub>CO<sub>3</sub> is _.<br>A)carbonous
Q238: The correct name for K<sub>2</sub>S is _.<br>A)potassium