1
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
Change Language
Which one of the following electronic arrangements is absurd?
A
n = 3, l =1, m = $$-$$1
B
n = 3, l = 0, m = 0
C
n = 2, l = 0, m = $$-$$1
D
n = 2, l = 1, m = 0
2
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.33
Change Language
Which of the following electronic configuration is not possible?
A
n = 3, l = 0, m = 0
B
n = 3, l = 1, m = $$-$$1
C
n = 2, l = 0, m = $$-$$1
D
n = 2, l = 1, m = 0
3
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.33
Change Language
The number of unpaired electrons in Ni (atomic number = 28) are
A
0
B
2
C
4
D
8
4
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
If the given four electronic configurations.

(i) n = 4, l = 1

(ii) n = 4, l = 0

(iii) n = 3, l = 2

(iv) n = 3, l = 1

are arranged in order of increasing energy, then the order will be
A
(iv) < (ii) < (iii) < (i)
B
(ii) < (iv) < (i) < (iii)
C
(i) < (iii) < (ii) < (iv)
D
(iii) < (i) < (iv) < (ii)
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