The electron configuration shows the distribution of electrons right into subshells.

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This list of electron configuration of aspects contains all the facets in enhancing order of atom number.

To save room, the configurations space in noble gas shorthand. This means part the the electron configuration has actually been replaced with the element symbol the the noble gas symbol. Look increase the digital configuration of that noble gas and also include the value before the rest of the configuration. This table is obtainable to download as a PDF to use as a examine sheet.

NUMBERELEMENTELECTRON CONFIGURATION
1Hydrogen1s1
2Helium1s2
3Lithium2s1
4Beryllium2s2
5Boron2s22p1
6Carbon2s22p2
7Nitrogen2s22p3
8Oxygen2s22p4
9Fluorine2s22p5
10Neon2s22p6
11Sodium3s1
12Magnesium3s2
13Aluminum3s23p1
14Silicon3s23p2
15Phosphorus3s23p3
16Sulfur3s23p4
17Chlorine3s23p5
18Argon3s23p6
19Potassium4s1
20Calcium4s2
21Scandium3d14s2
22Titanium3d24s2
23Vanadium3d34s2
24Chromium3d54s1
25Manganese3d54s2
26Iron3d64s2
27Cobalt3d74s2
28Nickel3d84s2
29Copper3d104s1
30Zinc3d104s2
31Gallium3d104s24p1
32Germanium3d104s24p2
33Arsenic3d104s24p3
34Selenium3d104s24p4
35Bromine3d104s24p5
36Krypton3d104s24p6
37Rubidium5s1
38Strontium5s2
39Yttrium4d15s2
40Zirconium4d25s2
41Niobium4d45s1
42Molybdenum4d55s1
43Technetium4d55s2
44Ruthenium4d75s1
45Rhodium4d85s1
46Palladium4d10
47Silver4d105s1
48Cadmium4d105s2
49Indium4d105s25p1
50Tin4d105s25p2
51Antimony4d105s25p3
52Tellurium4d105s25p4
53Iodine4d105s25p5
54Xenon4d105s25p6
55Cesium6s1
56Barium6s2
57Lanthanum5d16s2
58Cerium4f15d16s2
59Praseodymium4f36s2
60Neodymium4f46s2
61Promethium4f56s2
62Samarium4f66s2
63Europium4f76s2
64Gadolinium4f75d16s2
65Terbium4f96s2
66Dysprosium4f106s2
67Holmium4f116s2
68Erbium4f126s2
69Thulium4f136s2
70Ytterbium4f146s2
71Lutetium4f145d16s2
72Hafnium4f145d26s2
73Tantalum4f145d36s2
74Tungsten4f145d46s2
75Rhenium4f145d56s2
76Osmium4f145d66s2
77Iridium4f145d76s2
78Platinum4f145d96s1
79Gold4f145d106s1
80Mercury4f145d106s2
81Thallium4f145d106s26p1
82Lead4f145d106s26p2
83Bismuth4f145d106s26p3
84Polonium4f145d106s26p4
85Astatine4f145d106s26p5
86Radon4f145d106s26p6
87Francium7s1
88Radium7s2
89Actinium6d17s2
90Thorium6d27s2
91Protactinium5f26d17s2
92Uranium5f36d17s2
93Neptunium5f46d17s2
94Plutonium5f67s2
95Americium5f77s2
96Curium5f76d17s2
97Berkelium5f97s2
98Californium5f107s2
99Einsteinium5f117s2
100Fermium5f127s2
101Mendelevium5f137s2
102Nobelium5f147s2
103Lawrencium5f147s27p1
104Rutherfordium5f146d27s2
105Dubnium*5f146d37s2
106Seaborgium*5f146d47s2
107Bohrium*5f146d57s2
108Hassium*5f146d67s2
109Meitnerium*5f146d77s2
110Darmstadtium*5f146d97s1
111Roentgenium*5f146d107s1
112Copernium*5f146d107s2
113Nihonium*5f146d107s27p1
114Flerovium*5f146d107s27p2
115Moscovium*5f146d107s27p3
116Livermorium*5f146d107s27p4
117Tennessine*5f146d107s27p5
118Oganesson*5f146d107s27p6

Values denoted by one asterisk are predictions based on periodic table trends. Really configurations have actually not to be verified.

How to discover Electron Configuration

The electron configuration states where electrons are likely to it is in in an atom. If friend don’t have actually a chart, you can still uncover the electron configuration. Use the facet blocks the the routine table to discover the greatest electron orbital. Alternatively, remember group 1 (alkali metals) and group 2 (alkaline planet metals) space s-block, groups 2 throuh 12 space the d-block, 13 to 18 are the p-block, and also the two rows at the bottom the the table (the lanthanides and actinides) room f-block. The duration or heat numbers 1 through 7 are the power levels that the elements.

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The s orbit holds a preferably of 2 electrons. The p orbital deserve to hold 6. The d orbital can hold 10. The f orbital deserve to hold 14 electrons. But, the orbitals overlap. The Madelung rule gives the order:

1s 22s22p63s23p64s23d104p65s24d105p66s24f145d106p67s25f146d107p6

Alternatively, write the symbol for the noble gas prior to an aspect (radon, in this case), and just include the extra information:

5f146d107s27p6

Keep in mind, electron construction are most stable when they room filled or half-filled. Also, the actual electron configuration of one atom may differ from the prediction because of relativistic effects, shielding, etc.