1) Which of the following Lewis structures are correct?
(a)
(b)
(c)
(d)
2) Which of the following Lewis structures are correct?
(a)
(b)
(c)
(d)
3) Which of the following Lewis structures are correct?
(a)
(b)
(c)
(d) 
4) Which of the following Lewis structures are correct?
(a)
(b) 
(c) 
(d) 
5) Which of the following Lewis structures are incorrect?
(a)
(b)
(c)
(d) 
6) Which of the following Lewis structures are incorrect?
(a)
(b)
(c)
(d)
7) Which of the following Lewis structures are incorrect?
(a)
(b)
(c)
(d)
8) Which of the following Lewis structures are incorrect?
(a)
(b)
(c)
(d)
