2.3 Lewis Structures

Question 1

Octet Rule Exceptions:

#1 What elements can have less than 8?
#2 What element can exceed 8?

Answer 1

#1 H,   Be,   B,       Al
    2e-  4e-   6e-    6e-
#2 The third row and lower can exceed 8 e-.

Question 2

Formal charge equation

Answer 2

Normal # of e- -(lines + dots) = formal charge