Answer
The electronegativities ranked from high to low order
1. Fluorine
2. Oxygen
3. Nitrogen
4. Carbon
5. Boron
6. Sodium
The electronegativities increases from left to right of your periodic table.
Step-by-step explanation
Electronegativity of:-
Fluorine = 3.98
Boron = 2.04
Carbon = 2.55
Oxygen = 3.44
Sodium = 0.93
Nitrogen = 3.04