Question

1. Give the sets of quantum numbers that describe the electron in 3p orbitals.


2.Explain Aufbau Principle.

Answer 1

Explanation:

Hello, There are total four Quantum numbers as follows

1. Principle Qauntum Number(n)
2. Azimuthal Quantum Number(l=0 to n-1)
3. Magnetic Quantum Number(ml= -l to +l)
4. Spin Quantum Number(ms)

For a electron in 3P orbital will have Principle Quantum Number 3,

The Azimuthal Quantum Number will be from 0, 1 , 2

Magnetic Quantum Number will be -2,-1,0,+1,+2

& spin value is fixed for electrons depending upon the rotation ( +1/2 & -1/2)

Coming to your next question,

Aufbau Principle: Aufbau principle is derived from grick word Aufbau which means construction or building something. According to this principle the electron enters in corresponding subshells depending upon the energy of subshell.Electron will enter in lower energy subshell to gain more stability. Refer the attached image for more clarification.

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