Okay I will give you another easy one. Just one last.
Find the angular momentum of the electron in 2nd orbit of He+ ion.
A
h2π
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B
hπ
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C
2hπ
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D
4hπ
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Solution
The correct option is Bhπ Orbital angular momentum for hydrogen like elements are = nh2π
Where n is the nth orbital.
Here the electron is in 2nd orbital.
Also there is no factor of Z here.
So this is same for all hydrogen like atoms. The angular momentum only depends on the orbital number in which the electron is present in.