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Chemistry
Chemistry
Problem
For the hydrogen-like ion
He
+
\text{He}^+
He
+
(
Z
=
2
Z = 2
Z
=
2
), calculate the wavelength of the photon emitted when the electron jumps from
n
=
4
n = 4
n
=
4
to
n
=
2
n = 2
n
=
2
.
(
1240
eV⋅nm
=
h
c
)
(1240\,\text{eV·nm} = hc)
(
1240
eV⋅nm
=
h
c
)
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