Multiple Choice
Oxygen forms an ion with a charge of ________.
A) 2-
B) 2+
C) 3-
D) 3+
E) 6+
Correct Answer:

Verified
Correct Answer:
Verified
Q10: The formula of the carbonate ion is
Q11: Which one of the following basic forces
Q12: In the symbol below,X = _. <img
Q13: The element X has three naturally occurring
Q14: Which one of the following molecular formulas
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
Q18: In the symbol below,x is _. <img
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
Q20: The correct name for HClO<sub>3 </sub>is _.<br>A)hydrochloric