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Chemistry
Chemistry
Problem
Identify the correct statement about the magnitudes of ground-state energies of hydrogen (H) and singly-ionised helium (He
+
^+
+
). a)
∣
E
1
(
H
e
+
)
∣
=
2
∣
E
1
(
H
)
∣
|E_1(\mathrm{He}^+)| = 2\,|E_1(\mathrm{H})|
∣
E
1
(
He
+
)
∣
=
2
∣
E
1
(
H
)
∣
b)
∣
E
1
(
H
e
+
)
∣
=
∣
E
1
(
H
)
∣
|E_1(\mathrm{He}^+)| = |E_1(\mathrm{H})|
∣
E
1
(
He
+
)
∣
=
∣
E
1
(
H
)
∣
c)
∣
E
1
(
H
e
+
)
∣
=
4
∣
E
1
(
H
)
∣
|E_1(\mathrm{He}^+)| = 4\,|E_1(\mathrm{H})|
∣
E
1
(
He
+
)
∣
=
4
∣
E
1
(
H
)
∣
d)
∣
E
1
(
H
e
+
)
∣
=
1
2
∣
E
1
(
H
)
∣
|E_1(\mathrm{He}^+)| = \dfrac12\,|E_1(\mathrm{H})|
∣
E
1
(
He
+
)
∣
=
2
1
∣
E
1
(
H
)
∣
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