ELECTRONIC CONFIGURATIONS OF THE ELEMENTS

1. Period			K	L		M			N				O				P				Q
Number	Symbol	Name	1s	2s	2p	3s	3p	3d	4s	4p	4d	4f	5s	5p	5d	5f	6s	6p	6d	6f	7s	7p
1	H	Hydrogen	1
2	He	Helium	2

2. Period			K	L		M			N				O				P				Q
Number	Symbol	Name	1s	2s	2p	3s	3p	3d	4s	4p	4d	4f	5s	5p	5d	5f	6s	6p	6d	6f	7s	7p
3	Li	Lithium	2	1
4	Be	Beryllium	2	2
5	B	Boron	2	2	1
6	C	Carbon	2	2	2
7	N	Nitrogen	2	2	3
8	O	Oxygen	2	2	4
9	F	Fluorine	2	2	5
10	Ne	Neon	2	2	6

3. Period			K	L		M			N				O				P				Q
Number	Symbol	Name	1s	2s	2p	3s	3p	3d	4s	4p	4d	4f	5s	5p	5d	5f	6s	6p	6d	6f	7s	7p
11	Na	Sodium	2	2	6	1
12	Mg	Magnesium	2	2	6	2
13	Al	Aluminium	2	2	6	2	1
14	Si	Silicon	2	2	6	2	2
15	P	Phosphorus	2	2	6	2	3
16	S	Sulfur	2	2	6	2	4
17	Cl	Chlorine	2	2	6	2	5
18	Ar	Argon	2	2	6	2	6

4. Period			K	L		M			N				O				P				Q
Number	Symbol	Name	1s	2s	2p	3s	3p	3d	4s	4p	4d	4f	5s	5p	5d	5f	6s	6p	6d	6f	7s	7p
19	K	Potassium	2	2	6	2	6	..	1
20	Ca	Calcium	2	2	6	2	6	..	2
21	Sc	Scandium	2	2	6	2	6	1	2
22	Ti	Titanium	2	2	6	2	6	2	2
23	V	Vanadium	2	2	6	2	6	3	2
24	Cr	Chromium	2	2	6	2	6	5	1
25	Mn	Manganese	2	2	6	2	6	5	2
26	Fe	Iron	2	2	6	2	6	6	2
27	Co	Cobalt	2	2	6	2	6	7	2
28	Ni	Nickel	2	2	6	2	6	8	2
29	Cu	Copper	2	2	6	2	6	10	1
30	Zn	Zinc	2	2	6	2	6	10	2
31	Ga	Gallium	2	2	6	2	6	10	2	1
32	Ge	Germanium	2	2	6	2	6	10	2	2
33	As	Arsenic	2	2	6	2	6	10	2	3
34	Se	Selenium	2	2	6	2	6	10	2	4
35	Br	Bromine	2	2	6	2	6	10	2	5
36	Kr	Krypton	2	2	6	2	6	10	2	6

5. Period			K	L		M			N				O				P				Q
Number	Symbol	Name	1s	2s	2p	3s	3p	3d	4s	4p	4d	4f	5s	5p	5d	5f	6s	6p	6d	6f	7s	7p
37	Rb	Rubidium	2	2	6	2	6	10	2	6	..	..	1
38	Sr	Strontium	2	2	6	2	6	10	2	6	..	..	2
39	Y	Yttrium	2	2	6	2	6	10	2	6	1	..	2
40	Zr	Zirconium	2	2	6	2	6	10	2	6	2	..	2
41	Nb	Niobium	2	2	6	2	6	10	2	6	4	..	1
42	Mo	Molybdenum	2	2	6	2	6	10	2	6	5	..	1
43	Tc	Technetium	2	2	6	2	6	10	2	6	6	..	1
44	Ru	Ruthenium	2	2	6	2	6	10	2	6	7	..	1
45	Rh	Rhodium	2	2	6	2	6	10	2	6	8	..	1
46	Pd	Palladium	2	2	6	2	6	10	2	6	10	..	..
47	Ag	Silver	2	2	6	2	6	10	2	6	10	..	1
48	Cd	Cadmium	2	2	6	2	6	10	2	6	10	..	2
49	In	Indium	2	2	6	2	6	10	2	6	10	..	2	1
50	Sn	Tin	2	2	6	2	6	10	2	6	10	..	2	2
51	Sb	Antimony	2	2	6	2	6	10	2	6	10	..	2	3
52	Te	Tellurium	2	2	6	2	6	10	2	6	10	..	2	4
53	I	Iodine	2	2	6	2	6	10	2	6	10	..	2	5
54	Xe	Xenon	2	2	6	2	6	10	2	6	10	..	2	6

6. Period			K	L		M			N				O				P				Q
Number	Symbol	Name	1s	2s	2p	3s	3p	3d	4s	4p	4d	4f	5s	5p	5d	5f	6s	6p	6d	6f	7s	7p
55	Cs	Caesium	2	2	6	2	6	10	2	6	10	..	2	6	..	..	1
56	Ba	Barium	2	2	6	2	6	10	2	6	10	..	2	6	..	..	2
57	La	Lanthanum	2	2	6	2	6	10	2	6	10	..	2	6	1	..	2
58	Ce	Cerium	2	2	6	2	6	10	2	6	10	2	2	6	..	..	2
59	Pr	Praseodymium	2	2	6	2	6	10	2	6	10	3	2	6	..	..	2
60	Nd	Neodymium	2	2	6	2	6	10	2	6	10	4	2	6	..	..	2
61	Pm	Promethium	2	2	6	2	6	10	2	6	10	5	2	6	..	..	2
62	Sm	Samarium	2	2	6	2	6	10	2	6	10	6	2	6	..	..	2
63	Eu	Europium	2	2	6	2	6	10	2	6	10	7	2	6	..	..	2
64	Gd	Gadolinium	2	2	6	2	6	10	2	6	10	7	2	6	1	..	2
65	Tb	Terbium	2	2	6	2	6	10	2	6	10	9	2	6	..	..	2
66	Dy	Dysprosium	2	2	6	2	6	10	2	6	10	10	2	6	..	..	2
67	Ho	Holmium	2	2	6	2	6	10	2	6	10	11	2	6	..	..	2
68	Er	Erbium	2	2	6	2	6	10	2	6	10	12	2	6	..	..	2
69	Tm	Thulium	2	2	6	2	6	10	2	6	10	13	2	6	..	..	2
70	Yb	Ytterbium	2	2	6	2	6	10	2	6	10	14	2	6	..	..	2
71	Lu	Lutetium	2	2	6	2	6	10	2	6	10	14	2	6	1	..	2
72	Hf	Hafnium	2	2	6	2	6	10	2	6	10	14	2	6	2	..	2
73	Ta	Tantalum	2	2	6	2	6	10	2	6	10	14	2	6	3	..	2
74	W	Tungsten	2	2	6	2	6	10	2	6	10	14	2	6	4	..	2
75	Re	Rhenium	2	2	6	2	6	10	2	6	10	14	2	6	5	..	2
76	Os	Osmium	2	2	6	2	6	10	2	6	10	14	2	6	6	..	2
77	Ir	Iridium	2	2	6	2	6	10	2	6	10	14	2	6	7	..	2
78	Pt	Platinum	2	2	6	2	6	10	2	6	10	14	2	6	9	..	1
79	Au	Gold	2	2	6	2	6	10	2	6	10	14	2	6	10	..	1
80	Hg	Mercury	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2
81	Tl	Thallium	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	1
82	Pb	Lead	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	2
83	Bi	Bismuth	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	3
84	Po	Polonium	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	4
85	At	Astatine	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	5
86	Rn	Radon	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	6

7. Period			K	L		M			N				O				P				Q
Number	Symbol	Name	1s	2s	2p	3s	3p	3d	4s	4p	4d	4f	5s	5p	5d	5f	6s	6p	6d	6f	7s	7p
87	Fr	Francium	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	6	..	..	1
88	Ra	Radium	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	6	..	..	2
89	Ac	Actinium	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	6	1	..	2
90	Th	Thorium	2	2	6	2	6	10	2	6	10	14	2	6	10	..	2	6	2	..	2
91	Pa	Protactinium	2	2	6	2	6	10	2	6	10	14	2	6	10	2	2	6	1	..	2
92	U	Uranium	2	2	6	2	6	10	2	6	10	14	2	6	10	3	2	6	1	..	2
93	Np	Neptunium	2	2	6	2	6	10	2	6	10	14	2	6	10	4	2	6	1	..	2
94	Pu	Plutonium	2	2	6	2	6	10	2	6	10	14	2	6	10	6	2	6	..	..	2
95	Am	Americium	2	2	6	2	6	10	2	6	10	14	2	6	10	7	2	6	..	..	2
96	Cm	#Kurij#	2	2	6	2	6	10	2	6	10	14	2	6	10	7	2	6	1	..	2
97	Bk	Berkelium	2	2	6	2	6	10	2	6	10	14	2	6	10	9	2	6	..	..	2
98	Cf	Californium	2	2	6	2	6	10	2	6	10	14	2	6	10	10	2	6	..	..	2
99	Es	#Einsteinij#	2	2	6	2	6	10	2	6	10	14	2	6	10	11	2	6	..	..	2
100	Fm	Fermium	2	2	6	2	6	10	2	6	10	14	2	6	10	12	2	6	..	..	2
101	Md	Mendelevium	2	2	6	2	6	10	2	6	10	14	2	6	10	13	2	6	..	..	2
102	No	Nobelium	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	..	..	2
103	Lr	#Lawrencij#	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	1	..	2
104	Rf	#Rutherfordij#	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	2	..	2
105	Db	Dubnium	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	3	..	2
106	Sg	#Seaborgij#	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	4	..	2
107	Bh	#Bohrij#	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	5	..	2
108	Hs	Hassium	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	6	..	2
109	Mt	#Meitnerij#	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	7	..	2
110	Ds	Darmstadtium	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	9	..	1
111	Rg	#Roentgenij#	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	10	..	1
112	Cn	Copernicium	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	10	..	2
113	Nh	Nihonium	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	10	..	2	1
114	Fl	Flerovium	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	10	..	2	2
115	Mc	Moscovium	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	10	..	2	3
116	Lv	Livermorium	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	10	..	2	4
117	Ts	Tennessine	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	10	..	2	5
118	Og	Oganesson	2	2	6	2	6	10	2	6	10	14	2	6	10	14	2	6	10	..	2	6

Citing this page:

Generalic, Eni. "Electronic configurations of the elements." EniG. Periodic Table of the Elements. KTF-Split, 18 Jan. 2024. Web. {Date of access}. <https://www.periodni.com/electronic_configuration_of_the_elements.html>.

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∇ Contents
- Period 1
- Period 2
- Period 3
- Period 4
- Period 5
- Period 6
- Period 7
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