defence exam Indian Army Nursing Assistant Mock Test Series 2025 Chemistry Classification of Elements and Periodicity in Properties
दिए गए तत्वों के लिए विद्युतऋणात्मकता का सही क्रम है:
1
P > Br > C > At
2
C > P > At > Br
3
Br > P > At > C
4
Br > C > At > P