Chemical Ideas 2.4 Electron Orbitals

Nx^L: N = principal quantum number, x = orbital type, L = orbital quantum number

1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d¹⁰ 7s² 7p⁶

Incomplete shells and orbitals are written in bold type

1	Hydrogen	1	1^1	1s^1	1s^1
2	Helium	2	1^2	1s^2	1s^2
3	Lithium	2.1	1^22^1	1s^22s^1	[He] 2s^1
4	Beryllium	2.2	1^22^2	1s^22s^2	[He] 2s^2
5	Boron	2.3	1^22^3	1s^22s^22p^1	[He] 2s^22p^1
6	Carbon	2.4	1^22^4	1s^22s^22p^2	[He] 2s^22p^2
7	Nitrogen	2.5	1^22^5	1s^22s^22p^3	[He] 2s^22p^3
8	Oxygen	2.6	1^22^6	1s^22s^22p^4	[He] 2s^22p^4
9	Fluorine	2.7	1^22^7	1s^22s^22p^5	[He] 2s^22p^5
10	Neon	2.8	1^22^8	1s^22s^22p^6	[He] 2s^22p^6
11	Sodium	2.8.1	1^22^83^1	1s^22s^22p^63s^1	[Ne] 3s^1
12	Magnesium	2.8.2	1^22^83^2	1s^22s^22p^63s^2	[Ne] 3s^2
13	Aluminium	2.8.3	1^22^83^3	1s^22s^22p^63s^23p^1	[Ne] 3s^23p^1
14	Silicon	2.8.4		1s^22s^22p^63s^23p^2	[Ne] 3s^23p^2
15	Phosphorus	2.8.5		1s^22s^22p^63s^23p^3	[Ne] 3s^23p^3
16	Sulphur	2.8.6		1s^22s^22p^63s^23p^4	[Ne] 3s^23p^4
17	Chlorine	2.8.7		1s^22s^22p^63s^23p^5	[Ne] 3s^23p^5
18	Argon	2.8.8		1s^22s^22p^63s^23p^6	[Ne] 3s^23p^6
19	Potassium	2.8.8.1		1s^22s^22p^63s^23p^63d^04s^1	[Ar] 4s^1
20	Calcium	2.8.8.2		1s^22s^22p^63s^23p^63d^04s^2	[Ar] 4s^2
21	Scandium	2.8.9.2		1s^22s^22p^63s^23p^63d^14s^2	[Ar] 3d^14s^2
22	Titanium	2.8.10.2		1s^22s^22p^63s^23p^63d^24s^2	[Ar] 3d^24s^2
23	Vanadium	2.8.11.2		1s^22s^22p^63s^23p^63d^34s^2	[Ar] 3d^34s^2
24	Chromium	2.8.13.1		1s^22s^22p^63s^23p^63d^54s^1	[Ar] 3d^54s^1
25	Manganese	2.8.13.2		1s^22s^22p^63s^23p^63d^54s^2	[Ar] 3d^54s^2
26	Iron	2.8.14.2		1s^22s^22p^63s^23p^63d^64s^2	[Ar] 3d^64s^2
27	Cobalt	2.8.15.2		1s^22s^22p^63s^23p^63d^74s^2	[Ar] 3d^74s^2
28	Nickel	2.8.16.2		1s^22s^22p^63s^23p^63d^84s^2	[Ar] 3d^84s^2
29	Copper	2.8.18.1		1s^22s^22p^63s^23p^63d^104s^1	[Ar] 3d^104s^1
30	Zinc	2.8.18.2		1s^22s^22p^63s^23p^63d^104s^2	[Ar] 3d^104s^2
31	Ga			1s^22s^22p^63s^23p^63d^104s^24p^1	[Ar] 3d^104s^24p^1
32	Ge			1s^22s^22p^63s^23p^63d^104s^24p^2	[Ar] 3d^104s^24p^2
33	As			1s^22s^22p^63s^23p^63d^104s^24p^3	[Ar] 3d^104s^24p^3
34	Se			1s^22s^22p^63s^23p^63d^104s^24p^4	[Ar] 3d^104s^24p^4
35	Br			1s^22s^22p^63s^23p^63d^104s^24p^5	[Ar] 3d^104s^24p^5
36	Kr	2.8.18.8		1s^22s^22p^63s^23p^63d^104s^24p^6	[Ar] 3d^104s^24p^6
37	Rb			1s^22s^22p^63s^23p^63d^104s^24p^64d^04f^005s^1	[Kr] 5s^1
38	Sr			1s^22s^22p^63s^23p^63d^104s^24p^64d^04f^005s^2	[Kr] 5s^2
39	Y			1s^22s^22p^63s^23p^63d^104s^24p^64d^1^04f^05s^2	[Kr] 4d^15s^2
40	Zr			1s^22s^22p^63s^23p^63d^104s^24p^64d^204f^05s^2	[Kr] 4d^25s^2
41	Nb			1s^22s^22p^63s^23p^63d^104s^24p^64d^4^04f^05s^1	[Kr] 4d^45s^1
42	Mo			1s^22s^22p^63s^23p^63d^104s^24p^64d^5^04f^05s^1	[Kr] 4d^55s^1
43	Tc			1s^22s^22p^63s^23p^63d^104s^24p^64d^6^04f^05s^1	[Kr] 4d^65s^1
44	Ru			1s^22s^22p^63s^23p^63d^104s^24p^64d^7^04f^05s^1	[Kr] 4d^75s^1
45	Rh			1s^22s^22p^63s^23p^63d^104s^24p^64d^8^04f^05s^1	[Kr] 4d^85s^1
46	Pd			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^1	[Kr] 4d^10
47	Ag			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^1	[Kr] 4d^104f^05s^1
48	Cd			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^2	[Kr] 4d^104f^05s^2
49	In			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^25p^1	[Kr] 4d^104f^05s^25p^1
50	Sn			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^25p^2	[Kr] 4d^104f^05s^25p^2
51	Sb			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^25p^3	[Kr] 4d^104f^05s^25p^3
52	Te			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^25p^4	[Kr] 4d^104f^05s^25p^4
53	I			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^25p^5	[Kr] 4d^104f^05s^25p^5
54	Xe	2.8.18.18.8		1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^25p^6	[Kr] 4d^104f^05s^25p^6
55	Cs			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^25p^65d^05f^0506s^1	[Xe] 6s^1
56	Ba			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^25p^65d^05f^0506s^2	[Xe] 6s^2
57	La			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^05s^25p^65d^15f^0506s^2	[Xe]
58	Ce			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^15s^25p^65d^15f^0506s^2	[Xe]
59	Pr			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^35s^25p^65d^15f50^06s^2	[Xe]
60	Nd			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^45s^25p^65d^15f50^06s^2	[Xe]
61	Pm			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^55s^25p^65d^15f^0506s^2	[Xe]
62	Sm			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^65s^25p^65d^15f^0506s^2	[Xe]
63	Eu	2.8.18.25.8.2		1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^75s^25p^65d^15f^0506s^2	[Xe]
64	Gd	2.8.18.26.8.2		1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^75s^25p^65d^15f^0506s^2	[Xe]
65	Tb	2.8.18.27.8.2		1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^95s^25p^65d^15f^0506s^2	[Xe]
66				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^105s^25p^65d^15f506s^2	[Xe]
67				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^115s^25p^65d^15f506s^2	[Xe]
68				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^125s^25p^65d^15f506s^2	[Xe]
69				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^135s^25p^65d^15f506s^2	[Xe]
70				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^15f506s^2	[Xe]
71				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^15f506s^2	[Xe]
72				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^25f506s^2	[Xe]
73				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^35f506s^2	[Xe]
74				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^45f506s^2	[Xe]
75				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^55f506s^2	[Xe]
76				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^65f506s^2	[Xe]
77				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^75f506s^2	[Xe]
78				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^95f^506s^1	[Xe]
79	Au			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^1	[Xe]
80	Hg			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^2	[Xe]
81	Tl			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^26p^1	[Xe]
82	Pb			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^26p^2	[Xe]
83				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^26p^3	[Xe]
84				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^26p^4	[Xe]
85				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^26p^5	[Xe]
86	Rn	2.8.18.32.18.8		1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^26p^6	[Xe] 5p^65d^106s^26p^6
87	Fr			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^26p^67s^1	[Rn]
88	Ra			1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^506s^26p^67s^2	[Rn]
89				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105^016s^26p^66d^17s^2	[Rn]
90				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105016s^26p^66d^27s^2	[Rn]
91				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^26s^26p^66d^17s^2	[Rn]
92				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^36s^26p^66d^17s^2	[Rn]
93				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^46s^26p^66d^17s^2	[Rn]
94				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^66s^26p^66d^17s^2	[Rn]
95				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^76s^26p^66d^17s^2	[Rn]
96				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^76s^26p^66d^17s^2	[Rn]
97				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^96s^26p^66d^07s^2	[Rn]
98				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^106s^26p^66d^07s^2	[Rn]
99				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^116s^26p^66d^07s^2	[Rn]
100				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^126s^26p^66d^07s^2	[Rn]
101				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^136s^26p^66d^07s^2	[Rn]
102				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^07s^2	[Rn]
103				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^17s^2	[Rn]
104				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^27s^2	[Rn]
105				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^37s^2	[Rn]
106				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^47s^2	[Rn]
107				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^57s^2	[Rn]
108				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^67s^2	[Rn]
109				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^77s^2	[Rn]
110				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^97s^1	[Rn]
111				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^107s^1	[Rn]
112				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^107s^2	[Rn]
113				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^107s^27p^1	[Rn]
114				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^107s^27p^2	[Rn]
115				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^107s^27p^3	[Rn]
116				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^107s^27p^4	[Rn]
117				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^107s^27p^5	[Rn]
118				1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^145s^25p^65d^105f^146s^26p^66d^107s^27p^6	[Rn]