Rank the following atoms from least to most electronegative.?

Question

a. nitrogen, oxygen, carbon, fluorine

b. oxygen, sulfur, chlorine, bromine

c. hydrogen, carbon, fluorine, chlorine

Here is what I got:
a. carbon, nitrogen, oxygen, fluorine
b. bromine, sulfur, chlorine, oxygen
c. hydrogen, carbon, chlorine, fluorine

Answer 1

This is not really an organic chemistry problem. Just saying....

Answer 2

a) you are correct

b) sulfur, bromine, oxygen, chlorine 

c) you are correct