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Chemistry
Chemistry
Problem
E
n
=
−
Z
2
B
n
2
E_n = -\frac{Z^2 B}{n^2}
E
n
=
−
n
2
Z
2
B
where
Z
Z
Z
is the atomic number of species and
B
=
2.179
×
10
−
18
B = 2.179 \times 10^{-18}
B
=
2.179
×
1
0
−
18
J. If energy level of
Li
2
+
\text{Li}^{2+}
Li
2
+
ion in a particular shell is
−
2.179
×
10
−
18
-2.179 \times 10^{-18}
−
2.179
×
1
0
−
18
J, the principal quantum number of shell is .....
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