defence exam Indian Army Nursing Assistant Mock Test Series 2025 Chemistry Classification of Elements and Periodicity in Properties
Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements?
a. Nitrogen
b. Phosphorous
c. Chlorine
d. Fluorine
1
P < N < F < Cl
2
N < P < F < Cl
3
Cl < F < P < N
4
F < Cl < N < P