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Tardigrade
Question
Chemistry
Find the correct set with iso electronic species?
Q. Find the correct set with iso electronic species?
1890
175
TS EAMCET 2020
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A
N
3
−
,
F
−
,
O
2
,
C
a
2
+
B
C
a
2
+
,
C
l
−
,
A
l
3
+
,
O
2
−
C
N
3
−
,
M
g
2
+
,
F
−
,
O
2
−
D
M
g
2
+
,
O
2
−
C
l
−
,
N
3
−
Solution:
Iso-electronic species Atoms, molecules and ions that have the same electronic configuration are said to be iso-electronic. So, Number of electrons
(a)
N
3
−
=
10
F
−
=
10
O
2
=
16
C
a
2
+
=
10
Number of electrons
(b)
C
a
2
+
=
10
C
l
−
=
18
A
l
3
+
=
10
O
2
−
=
17
Number of electrons
(C)
N
3
−
=
10
M
g
2
+
=
10
F
−
=
10
O
2
+
=
17
Number of electrons
(d)
M
g
2
+
=
10
O
2
−
=
17
C
l
−
=
10
N
3
−
=
22