Atomic radius

Characteristic size of an atom. Compared separately by measurement type — empirical, calculated, covalent, van der Waals and metallic radii are different quantities and must not be mixed.

最小值 28 pm Helium

最大值 260 pm Francium

平均值 151.989583 pm

可用数据 96 / 118

显示 118 / 118 个元素

	符号	名称
1	H	Hydrogen	31
2	He	Helium	28
3	Li	Lithium	128
4	Be	Beryllium	96
5	B	Boron	84
6	C	Carbon	76
7	N	Nitrogen	71
8	O	Oxygen	66
9	F	Fluorine	57
10	Ne	Neon	58
11	Na	Sodium	166
12	Mg	Magnesium	141
13	Al	Aluminum	121
14	Si	Silicon	111
15	P	Phosphorus	107
16	S	Sulfur	105
17	Cl	Chlorine	102
18	Ar	Argon	106
19	K	Potassium	203
20	Ca	Calcium	176
21	Sc	Scandium	170
22	Ti	Titanium	160
23	V	Vanadium	153
24	Cr	Chromium	139
25	Mn	Manganese	139
26	Fe	Iron	132
27	Co	Cobalt	126
28	Ni	Nickel	124
29	Cu	Copper	132
30	Zn	Zinc	122
31	Ga	Gallium	122
32	Ge	Germanium	120
33	As	Arsenic	119
34	Se	Selenium	120
35	Br	Bromine	120
36	Kr	Krypton	116
37	Rb	Rubidium	220
38	Sr	Strontium	195
39	Y	Yttrium	190
40	Zr	Zirconium	175
41	Nb	Niobium	164
42	Mo	Molybdenum	154
43	Tc	Technetium	147
44	Ru	Ruthenium	146
45	Rh	Rhodium	142
46	Pd	Palladium	139
47	Ag	Silver	145
48	Cd	Cadmium	144
49	In	Indium	142
50	Sn	Tin	139
51	Sb	Antimony	139
52	Te	Tellurium	138
53	I	Iodine	139
54	Xe	Xenon	140
55	Cs	Cesium	244
56	Ba	Barium	215
57	La	Lanthanum	207
58	Ce	Cerium	204
59	Pr	Praseodymium	203
60	Nd	Neodymium	201
61	Pm	Promethium	199
62	Sm	Samarium	198
63	Eu	Europium	198
64	Gd	Gadolinium	196
65	Tb	Terbium	194
66	Dy	Dysprosium	192
67	Ho	Holmium	192
68	Er	Erbium	189
69	Tm	Thulium	190
70	Yb	Ytterbium	187
71	Lu	Lutetium	187
72	Hf	Hafnium	175
73	Ta	Tantalum	170
74	W	Tungsten	162
75	Re	Rhenium	151
76	Os	Osmium	144
77	Ir	Iridium	141
78	Pt	Platinum	136
79	Au	Gold	136
80	Hg	Mercury	132
81	Tl	Thallium	145
82	Pb	Lead	146
83	Bi	Bismuth	148
84	Po	Polonium	140
85	At	Astatine	150
86	Rn	Radon	150
87	Fr	Francium	260
88	Ra	Radium	221
89	Ac	Actinium	215
90	Th	Thorium	206
91	Pa	Protactinium	200
92	U	Uranium	196
93	Np	Neptunium	190
94	Pu	Plutonium	187
95	Am	Americium	180
96	Cm	Curium	169
97	Bk	Berkelium	—
98	Cf	Californium	—
99	Es	Einsteinium	—
100	Fm	Fermium	—
101	Md	Mendelevium	—
102	No	Nobelium	—
103	Lr	Lawrencium	—
104	Rf	Rutherfordium	—
105	Db	Dubnium	—
106	Sg	Seaborgium	—
107	Bh	Bohrium	—
108	Hs	Hassium	—
109	Mt	Meitnerium	—
110	Ds	Darmstadtium	—
111	Rg	Roentgenium	—
112	Cn	Copernicium	—
113	Nh	Nihonium	—
114	Fl	Flerovium	—
115	Mc	Moscovium	—
116	Lv	Livermorium	—
117	Ts	Tennessine	—
118	Og	Oganesson	—

来源与备注

Calculated radii are theoretical estimates and are marked as such; the other types come from experimental data.