Atomic Weight of all the elements in the Periodic Table

Atomic Weight of all the elements in the Periodic Table

Refer to graph, table and property element trend below for Atomic Weight of all the elements in the periodic table. We have shown the Atomic Weight of the elements for which reliable data is available.

Atomic Weight Graph - Atomic Weight of all the elements in graph

Mouseover on the chart to see the element name and Atomic Weight of the element.

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Atomic Weight Chart - Atomic Weight of all the elements in table chart

This Atomic Weight chart table gives the Atomic Weight of all the elements of periodic table . Click on 'Element Atomic Number', 'Element Symbol', 'Element Name' and 'Element Atomic Weight' headers to sort.

Element Element
Atomic Weight
1 H - Hydrogen 1.00794
2 He - Helium 4.002602
3 Li - Lithium 6.941
4 Be - Beryllium 9.012182
5 B - Boron 10.811
6 C - Carbon 12.0107
7 N - Nitrogen 14.0067
8 O - Oxygen 15.9994
9 F - Fluorine 18.9984032
10 Ne - Neon 20.1797
11 Na - Sodium 22.98977
12 Mg - Magnesium 24.305
13 Al - Aluminium 26.981538
14 Si - Silicon 28.0855
15 P - Phosphorus 30.973761
16 S - Sulfur 32.065
17 Cl - Chlorine 35.453
18 Ar - Argon 39.948
19 K - Potassium 39.0983
20 Ca - Calcium 40.078
21 Sc - Scandium 44.95591
22 Ti - Titanium 47.867
23 V - Vanadium 50.9415
24 Cr - Chromium 51.9961
25 Mn - Manganese 54.938049
26 Fe - Iron 55.845
27 Co - Cobalt 58.9332
28 Ni - Nickel 58.6934
29 Cu - Copper 63.546
30 Zn - Zinc 65.409
31 Ga - Gallium 69.723
32 Ge - Germanium 72.64
33 As - Arsenic 74.9216
34 Se - Selenium 78.96
35 Br - Bromine 79.904
36 Kr - Krypton 83.798
37 Rb - Rubidium 85.4678
38 Sr - Strontium 87.62
39 Y - Yttrium 88.90585
40 Zr - Zirconium 91.224
41 Nb - Niobium 92.90638
42 Mo - Molybdenum 95.94
43 Tc - Technetium 98
44 Ru - Ruthenium 101.07
45 Rh - Rhodium 102.9055
46 Pd - Palladium 106.42
47 Ag - Silver 107.8682
48 Cd - Cadmium 112.411
49 In - Indium 114.818
50 Sn - Tin 118.71
51 Sb - Antimony 121.76
52 Te - Tellurium 127.6
53 I - Iodine 126.90447
54 Xe - Xenon 131.293
55 Cs - Cesium 132.90545
56 Ba - Barium 137.327
57 La - Lanthanum 138.9055
58 Ce - Cerium 140.116
59 Pr - Praseodymium 140.90765
60 Nd - Neodymium 144.24
61 Pm - Promethium 145
62 Sm - Samarium 150.36
63 Eu - Europium 151.964
64 Gd - Gadolinium 157.25
65 Tb - Terbium 158.92534
66 Dy - Dysprosium 162.5
67 Ho - Holmium 164.93032
68 Er - Erbium 167.259
69 Tm - Thulium 168.93421
70 Yb - Ytterbium 173.04
71 Lu - Lutetium 174.967
72 Hf - Hafnium 178.49
73 Ta - Tantalum 180.9479
74 W - Tungsten 183.84
75 Re - Rhenium 186.207
76 Os - Osmium 190.23
77 Ir - Iridium 192.217
78 Pt - Platinum 195.078
79 Au - Gold 196.96655
80 Hg - Mercury 200.59
81 Tl - Thallium 204.3833
82 Pb - Lead 207.2
83 Bi - Bismuth 208.98038
84 Po - Polonium 209
85 At - Astatine 210
86 Rn - Radon 222
87 Fr - Francium 223
88 Ra - Radium 226
89 Ac - Actinium 227
90 Th - Thorium 232.0381
91 Pa - Protactinium 231.03588
92 U - Uranium 238.02891
93 Np - Neptunium 237
94 Pu - Plutonium 244
95 Am - Americium 243
96 Cm - Curium 247
97 Bk - Berkelium 247
98 Cf - Californium 251
99 Es - Einsteinium 252
100 Fm - Fermium 257
101 Md - Mendelevium 258
102 No - Nobelium 259
103 Lr - Lawrencium 262
104 Rf - Rutherfordium 261
105 Db - Dubnium 262
106 Sg - Seaborgium 266
107 Bh - Bohrium 264
108 Hs - Hassium 277
109 Mt - Meitnerium 268
110 Ds - Darmstadtium 281
111 Rg - Roentgenium 272
112 Cn - Copernicium 285
113 Nh - Nihonium 284
114 Fl - Flerovium 289
115 Mc - Moscovium 288
116 Lv - Livermorium 292
117 Ts - Tennessine 294
118 Og - Oganesson 294

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