Question #1: 

The oxygen atom in the following molecule (or polyatomic ion) has a formal charge of _____.

0
+1
-1
+2
-2

Question #2: 

The nitrogen atom in the following molecule (or polyatomic ion) has a formal charge of _____.
 

0
+1
-1
+2
-2

Question #3: 

The oxygen atom in the following molecule (or polyatomic ion) has a formal charge of _____.

0
+1
-1
+2
-2

Question #4: 

The sulfur atom in the following molecule (or polyatomic ion) has a formal charge of _____.
 

0
+1
-1
+2
-2

Question #5: 

The carbon atom in the following molecule (or polyatomic ion) has a formal charge of _____.
 

0
+1
-1
+2
-2

Question #6: 

The boron atom in the following molecule (or polyatomic ion) has a formal charge of _____.
 

0
+1
-1
+2
-2

Question #7: 

The oxygen atom in the following molecule (or polyatomic ion) has a formal charge of _____.
 

0
+1
-1
+2
-2

Question #8: 

The nitrogen atom in the following molecule (or polyatomic ion) has a formal charge of _____.
 

0
+1
-1
+2
-2

Question #9: 

The nitrogen atom in the following molecule (or polyatomic ion) has a formal charge of _____.

0
+1
-1
+2
-2

Question #10: 

The nitrogen atom in the following molecule (or polyatomic ion) has a formal charge of _____.

0
+1
-1
+2
-2