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Electron configuration of arsenic (As)

The electron configuration of arsenic (As) is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p³.

Explanation :

Here’s the detailed electron configuration of arsenic (As) is given below:

Shell 1:

Subshell: 1s

Orbital: 1s
Number of Electrons: 2

Shell 2:

Subshell: 2s

Orbital: 2s
Number of Electrons: 2

Subshell: 2p

Orbital: 2px, 2py, 2pz
Number of Electrons: 6 (2 in each orbital)

Shell 3:

Subshell: 3s

Orbital: 3s
Number of Electrons: 2

Subshell: 3p

Orbital: 3px, 3py, 3pz
Number of Electrons: 6 (2 in each orbital)

Shell 4:

Subshell: 4s

Orbital: 4s
Number of Electrons: 2

Subshell: 3d

Orbital: 3dxy, 3dxz, 3dyz, 3dz²

Number of Electrons: 10 (2 in each orbital)

Subshell: 4p

Orbital: 4px, 4py, 4pz
Number of Electrons: 3 (1 in each of the 4px and 4py orbitals, 0 in the 4pz orbital)

Table for electronic configuration of arsenic (As)

Shell	Subshell	Orbital	Number of Electrons
1	1s	1s	2
2	2s	2s	2
	2p	2px	2
		2py	2
		2pz	2
3	3s	3s	2
	3p	3px	2
		3py	2
		3pz	2
4	4s	4s	2
	3d	3dxy	2
		3dxz	2
		3dyz	2
		3dz²	2
4	4p	4px	3
		4py	0
		4pz	0

More Electronic Configurations

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