B) quantum number gives the address of electrons. Explain the quantum number which determines: i) distance of electron from nucleus. Ii) the orbital angular momentum of electron. (3)
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Answer:
Explain the quantum number which determines: i) distance of electron from nucleus. Ii) the orbital angular momentum of electron. (
Answer:
i] Principal Quantum Number (n) determines distance of electron from nucleus.
As n increases, the electron is also at a higher energy and is, therefore, less tightly bound to the nucleus.
ii] Subsidiary quantum number determines he orbital angular momentum of electron.
The subsidiary quantum number ( ) describes the shape of an atomic orbital, and it is described by the expression = 0 , 1 , 2 , 3 , … , − 1 , where is the principal quantum number. The subsidiary quantum number can have any integer value ranging from 0 to − 1 .
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