List of elements by atomic properties

This is a list of chemical elements and their atomic properties.

Table

Z	Name	Standard atomic weight	Electronegativity (Pauling)	First Ionization Energy (eV)	Radii (pm)			Valence electrons
Z	Name	Standard atomic weight	Electronegativity (Pauling)	First Ionization Energy (eV)	Atomic	Van der Waals	Covalent	Valence electrons

1	Hydrogen	1.00794(7)2 3 4	2.2	13.59844	25	120	38	1
2	Helium	4.002602(2)2 4	no data	24.58741	31	140	32	2
3	Lithium	6.941(2)2 3 4 5	0.98	5.39172	145	182	134	1
4	Beryllium	9.012182(3)	1.57	9.3227	105	no data	90	2
5	Boron	10.811(7)2 3 4	2.04	8.29803	85	no data	82	3
6	Carbon	12.0107(8)2 4	2.55	11.2603	70	170	77	4
7	Nitrogen	14.0067(2)2 4	3.04	14.53414	65	155	75	5
8	Oxygen	15.9994(3)2 4	3.44	13.61806	60	152	73	6
9	Fluorine	18.9984032(5)	3.98	17.42282	50	147	71	7
10	Neon	20.10097(6)2 3	no data	21.5646	38	154	69	8
11	Sodium	22.98976928(2)	0.93	5.13908	180	227	154	1
12	Magnesium	24.3050(6)	1.31	7.64624	150	173	130	2
13	Aluminium	26.9815386(8)	1.61	5.98577	125	no data	118	3
14	Silicon	28.0855(3)4	1.9	8.15169	110	210	111	4
15	Phosphorus	30.973762(2)	2.19	10.48669	100	180	106	5
16	Sulphur	32.065(5)2 4	2.58	10.36001	100	180	102	6
17	Chlorine	35.453(2)2 3 4	3.16	12.96764	100	175	99	7
18	Argon	39.948(1)2 4	no data	15.75962	71	188	97	8
19	Potassium	39.0983(1)	0.82	4.34066	220	275	196	1
20	Calcium	40.078(4)2	1	6.11316	180	no data	174	2
21	Scandium	44.955912(6)	1.36	6.5615	160	no data	144	2
22	Titanium	47.867(1)	1.54	6.8281	140	no data	136	2
23	Vanadium	50.9415(1)	1.63	6.7462	135	no data	125	2
24	Chromium	51.9961(6)	1.66	6.7665	140	no data	127	1
25	Manganese	54.938045(5)	1.55	7.43402	140	no data	139	2
26	Iron	55.845(2)	1.83	7.9024	140	no data	125	2
27	Cobalt	58.933195(5)	1.91	7.6398	135	163	121	2
28	Nickel	58.6934(4)	1.88	7.881	135	no data	126	2
29	Copper	63.546(3)4	1.9	7.72638	135	140	138	1
30	Zinc	65.38(2)	1.65	9.3942	135	139	131	2
31	Gallium	69.723(1)	1.81	5.9993	130	187	126	3
32	Germanium	72.64(1)	2.01	7.8994	125	no data	122	4
33	Arsenic	74.92160(2)	2.18	9.7886	115	185	119	5
34	Selenium	78.96(3)4	2.55	9.75238	115	190	116	6
35	Bromine	79.904(1)	2.96	11.81381	115	185	114	7
36	Krypton	83.798(2)2 3	3	13.99961	88	202	110	8
37	Rubidium	85.4678(3)2	0.82	4.17713	235	no data	211	1
38	Strontium	87.62(1)2 4	0.95	5.6949	200	no data	192	2
39	Yttrium	88.90585(2)	1.22	6.2171	180	no data	162	2
40	Zirconium	91.224(2)2	1.33	6.6339	155	no data	148	2
41	Niobium	92.90638(2)	1.6	6.75885	145	no data	137	1
42	Molybdenum	95.96(2)2	2.16	7.09243	145	no data	145	1
43	Technetium	[98]1	1.9	7.28	135	no data	156	1
44	Ruthenium	101.07(2)2	2.2	7.3605	130	no data	126	1
45	Rhodium	102.90550(2)	2.28	7.4589	135	no data	135	1
46	Palladium	106.42(1)2	2.2	8.3369	140	163	131
47	Silver	107.8682(2)2	1.93	7.5762	160	172	153	1
48	Cadmium	112.411(8)2	1.69	8.9938	155	158	148	2
49	Indium	114.818(3)	1.78	5.78636	155	193	144	3
50	Tin	118.710(7)2	1.96	7.3439	145	217	141	4
51	Antimony	121.760(1)2	2.05	8.6084	145	no data	138	5
52	Tellurium	127.60(3)2	2.1	9.0096	140	206	135	6
53	Iodine	126.90447(3)	2.66	10.45126	140	198	133	7
54	Xenon	131.293(6)2 3	2.6	12.1298	108	216	130	8
55	Caesium	132.9054519(2)	0.79	3.8939	260	no data	225	1
56	Barium	137.327(7)	0.89	5.2117	215	no data	198	2
57	Lanthanum	138.90547(7)2	1.1	5.5769	195	no data	169	2
58	Cerium	140.116(1)2	1.12	5.5387	185	no data	no data	2
59	Praseodymium	140.90765(2)	1.13	5.473	185	no data	no data	2
60	Neodymium	144.242(3)2	1.14	5.525	185	no data	no data	2
61	Promethium	[145]1	no data	5.582	185	no data	no data	2
62	Samarium	150.36(2)2	1.17	5.6436	185	no data	no data	2
63	Europium	151.964(1)2	no data	5.6704	185	no data	no data	2
64	Gadolinium	157.25(3)2	1.2	6.1501	180	no data	no data	2
65	Terbium	158.92535(2)	no data	5.8638	175	no data	no data	2
66	Dysprosium	162.500(1)2	1.22	5.9389	175	no data	no data	2
67	Holmium	164.93032(2)	1.23	6.0215	175	no data	no data	2
68	Erbium	167.259(3)2	1.24	6.1077	175	no data	no data	2
69	Thulium	168.93421(2)	1.25	6.18431	175	no data	no data	2
70	Ytterbium	173.054(5)2	no data	6.25416	175	no data	no data	2
71	Lutetium	174.9668(1)2	1.27	5.4259	175	no data	160	2
72	Hafnium	178.49(2)	1.3	6.82507	155	no data	150	2
73	Tantalum	180.94788(2)	1.5	7.5496	145	no data	138	2
74	Tungsten	183.84(1)	2.36	7.864	135	no data	146	2
75	Rhenium	186.207(1)	1.9	7.8335	135	no data	159	2
76	Osmium	190.23(3)2	2.2	8.4382	130	no data	128	2
77	Iridium	192.217(3)	2.2	8.967	135	no data	137	2
78	Platinum	195.084(9)	2.28	8.9587	135	175	128	1
79	Gold	196.966569(4)	2.54	9.2255	135	166	144	1
80	Mercury	200.59(2)	2	10.4375	150	155	149	2
81	Thallium	204.3833(2)	1.62	6.1082	190	196	148	3
82	Lead	207.2(1)2 4	2.33	7.41666	180	202	147	4
83	Bismuth	208.98040(1)	2.02	7.2856	160	no data	146	5
84	Polonium	[209]1	2	8.417	190	no data	no data	6
85	Astatine	[210]1	2.2		no data	no data	no data	7
86	Radon	[222]1	no data	10.7485	120	no data	145	8
87	Francium	[223]1	0.7	4.0727	no data	no data	no data	1
88	Radium	[226]1	0.9	5.2784	215	no data	no data	2
89	Actinium	[227]1	1.1	5.17	195	no data	no data	2
90	Thorium	232.03806(2)1 2	1.3	6.3067	180	no data	no data	2
91	Protactinium	231.03588(2)1	1.5	5.89	180	no data	no data	2
92	Uranium	238.02891(3)1 2 3	1.38	6.19405	175	186	no data	2
93	Neptunium	[237]1	1.36	6.2657	175	no data	no data	2
94	Plutonium	[244]1	1.28	6.0262	175	no data	no data	2
95	Americium	[243]1	1.3	5.9738	175	no data	no data	2
96	Curium	[247]1	1.3	5.9915				2
97	Berkelium	[247]1	1.3	6.1979				2
98	Californium	[251]1	1.3	6.2817				2
99	Einsteinium	[252]1	1.3	6.42				2
100	Fermium	[257]1	1.3	6.5				2
101	Mendelevium	[258]1	1.3	6.58				2
102	Nobelium	[259]1	1.3	6.65				2
103	Lawrencium	[262]1		4.9				3
104	Rutherfordium	[261]1		6
105	Dubnium	[262]1
106	Seaborgium	[263]1
107	Bohrium	[262]1
108	Hassium	[265]1
109	Meitnerium	[266]1
110	Darmstadtium	[269]1
111	Roentgenium	[272]1
112	Copernicium	[277]1
113	Nihonium	[283]1
114	Flerovium	[285]1
115	Moscovium	[287]1
116	Livermorium	[289]1
117	Tennessine	[291]1
118	Oganesson	[293]1

Notes

a few atomic radii are calculated, not experimental

Periodic table

Periodic
table
forms

Standard	18-column 18-column, large cells 32-column, large cells

Alternative	Alternatives Chemical Galaxy Janet's left step table

Extended	Extension beyond the 7th period Fricke model large cells Pyykkö model

Sets of
elements

By
periodic
table
structure

Groups	1 (Alkali metals) 2 (Alkaline earth metals) 3 4 5 6 7 8 9 10 11 12 13 14 15 (Pnictogens) 16 (Chalcogens) 17 (Halogens) 18 (Noble gases)

Periods	1 2 3 4 5 6 7 8+ Aufbau Fricke Pyykkö

Blocks	s-block p-block d-block f-block g-block Aufbau principle

By
metallicity

Metals	Alkali metals Alkaline earth metals Lanthanides Actinides Superactinides Eka-superactinides Transition metals Post-transition metals

Metalloids	Lists of metalloids by source Dividing line

Nonmetals	Polyatomic nonmetals Diatomic nonmetals Noble gases

Other
sets

Elements

Lists	By: Abundance (in humans) Atomic properties Nuclear stability Production Symbol

Properties	Atomic weight Crystal structure Electron affinity Electron configuration Electronegativity Allen Pauling Goldschmidt classification Maximum valence

Data pages	Abundance Atomic radius Boiling point Critical point Density Elasticity Electrical resistivity Electron affinity Electron configuration Electronegativity Hardness Heat capacity Heat of fusion Heat of vaporization Ionization energy Melting point Oxidation state Speed of sound Thermal conductivity Thermal expansion coefficient Vapor pressure

History