Question

write 4 quantum numbers for 2p^1 electron​

Answer 1

To find the quantum numbers for an electron in 2p shell

Principal Quantum Number

• They describe about different orientations like angular momentum of the orbit,size and shape etc.

• It is represented by n

Azimuthal Quantum Number

• It is denoted by the letter l

• It's value is dependant upon the orbital the electron is present in.

• For s orbital it is 0,p orbital it is 1,d orbital it is 2 and for f orbital it is 3

• Related with angular momentum of the electron in the orbit

Magnetic Quantum Number

• Determines the behaviour of an electron is magnetic field

• m =0,1 and -1

Spin Quantum Number

• Determines the rotation of an electron around its own axis. If clockwise it 1/2 and if anti clockwise it is -1/2

• As this is first electron in the orbital,it has clockwise spin.

★The set of quantum numbers for the electron are as follows:

Principal Quantum Number:2

Azimuthal Quantum Number:1

Magnetic Quantum Number:1,0,-1

Spin Quantum Number: 1/2

Answer 2

Explanation:

2,

1,

1,0,+1

1/2

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