In the Lewis structure of ClF, the formal charge on Cl is ________, and the formal charge on F is ________.
A) -1, -1
B) 0, 0
C) 0, -1
D) +1, -1
E) -1, +1
Question 2
The elements in the ________ period of the periodic table have a core-electron configuration that is the same as the electron configuration of neon.
A) first
B) second
C) third
D) fourth
E) fifth