Multiple Choice
In the symbol below,X = ________. 
X
A) N
B) C
C) Al
D) K
E) not enough information to determine
Correct Answer:
Verified
Correct Answer:
Verified
Q7: What is the molecular formula for heptane?<br>A)C<sub>6</sub>H<sub>12</sub><br>B)C<sub>6</sub>H<sub>14</sub><br>C)C<sub>7</sub>H<sub>14</sub><br>D)C<sub>7</sub>H<sub>16</sub><br>E)C<sub>7</sub>H<sub>18</sub>
Q8: The following hypothetical element : <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1194/.jpg"
Q9: When a metal and a nonmetal react,the
Q10: The formula of the carbonate ion is
Q11: Which one of the following basic forces
Q13: The element X has three naturally occurring
Q14: Which one of the following molecular formulas
Q15: Oxygen forms an ion with a charge
Q16: Which element is found in Period 2
Q17: Which species below is the chromate ion?<br>A)Cr<sub>2</sub>O<sub>7</sub><sup>2-</sup><br>B)CrO<sub>4</sub><sup>2-</sup><br>C)CH<sub>3</sub>COO<sup>-</sup><br>D)CO<sub>3</sub><sup>2-</sup><br>E)None