1
IIT-JEE 1987
MCQ (Single Correct Answer)
+1
-0.25
The first ionisation potential in electron volts of nitrogen and oxygen atoms are respectively given by
A
14.6, 13.6
B
13.6, 14.6
C
13.6, 13.6
D
14.6, 14.6
2
IIT-JEE 1987
MCQ (Single Correct Answer)
+1
-0.25
Atomic radii of fluorine and neon in Angstrom units are respectively given by
A
0.72, 1.60
B
1.60, 1.60
C
0.72, 0.72
D
None of these values
3
IIT-JEE 1987
MCQ (Single Correct Answer)
+1
-0.25
The electronegativity of the following elements increases in the order
A
C, N, Si, P
B
N, Si, C, P
C
Si, P, C, N
D
P, Si, N, C
4
IIT-JEE 1982
MCQ (Single Correct Answer)
+1
-0.25
The element with the highest first ionization potential is
A
boron
B
carbon
C
nitrogen
D
oxygen
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