Multiple Choice
What is the charge on the Cr ions in Cr2O3?
A) -2
B) +1
C) +2
D) +3
Correct Answer:

Verified
Correct Answer:
Verified
Q10: Nitroglycerin,C<sub>3</sub>H<sub>5</sub>N<sub>3</sub>O<sub>3</sub>:<br>A)has equal amounts of C and N
Q11: An organic compound contains C,H,and O.The percentages
Q12: Determine the mass percent (to the hundredths
Q13: How many grams of Cr are found
Q14: Aspartame,C<sub>14</sub>H<sub>18</sub>N<sub>2</sub>O<sub>5</sub>,a low-calorie sweetener,is about 200 times sweeter
Q16: What is the oxidation number of the
Q17: Choose the INCORRECT name formula combination.<br>A)CaH<sub>2</sub> calcium
Q18: The explosive,trinitrotoluene,TNT,C<sub>6</sub>H<sub>3</sub>N<sub>3</sub>O<sub>6</sub>,has the same proportion of:<br>A)N to
Q19: Fumaric acid,C<sub>4</sub>H<sub>4</sub>O<sub>4</sub>,can be extracted from plants and
Q20: How many anions are there in 2.50