1
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
The outermost electronic configuration of the most electronegative element is
A
ns2 np3
B
ns2 np4
C
ns2 np5
D
ns2 np6
2
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
The wavelength of a spectral line for an electronic transition is inversely related to :
A
The number of electrons undergoing the trasition
B
The nuclear charge of the atom
C
the difference in the energy of the energy levels involved in the transition
D
the velocity of the electron undergoing the transition
3
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
The triad of nuclei that is isotonic is
A
$${}_6^{14}C$$, $${}_7^{15}N$$, $${}_9^{17}C$$
B
$${}_6^{12}C$$, $${}_7^{14}N$$, $${}_9^{19}C$$
C
$${}_6^{14}C$$, $${}_7^{14}N$$, $${}_9^{17}C$$
D
$${}_6^{14}C$$, $${}_7^{14}N$$, $${}_9^{19}C$$
4
IIT-JEE 1986
MCQ (Single Correct Answer)
+1
-0.25
The sum of the number of neutrons and proton in the isotope of hydrogen is
A
6
B
2
C
4
D
3
JEE Advanced Subjects