1
1.008
H
Hydrogen
2
4.003
He
Helium
3
6.940
Li
Lithium
4
9.012
Be
Beryllium
5
10.810
B
Boron
6
12.011
C
Carbon
7
14.007
N
Nitrogen
8
15.999
O
Oxygen
9
18.998
F
Fluorine
10
20.180
Ne
Neon
11
22.990
Na
Sodium
12
24.305
Mg
Magnesium
13
26.982
Al
Aluminium
14
28.085
Si
Silicon
15
30.974
P
Phosphorus
16
32.060
S
Sulfur
17
35.450
Cl
Chlorine
18
39.948
Ar
Argon
19
39.098
K
Potassium
20
40.078
Ca
Calcium
21
44.956
Sc
Scandium
22
47.867
Ti
Titanium
23
50.942
V
Vanadium
24
51.996
Cr
Chromium
25
54.938
Mn
Manganese
26
55.845
Fe
Iron
27
58.933
Co
Cobalt
28
58.693
Ni
Nickel
29
63.546
Cu
Copper
30
65.382
Zn
Zinc
31
69.723
Ga
Gallium
32
72.631
Ge
Germanium
33
74.922
As
Arsenic
34
78.972
Se
Selenium
35
79.904
Br
Bromine
36
83.798
Kr
Krypton
37
85.468
Rb
Rubidium
38
87.621
Sr
Strontium
39
88.906
Y
Yttrium
40
91.224
Zr
Zirconium
41
92.906
Nb
Niobium
42
95.951
Mo
Molybdenum
43
98.000
Tc
Technetium
44
101.072
Ru
Ruthenium
45
102.906
Rh
Rhodium
46
106.421
Pd
Palladium
47
107.868
Ag
Silver
48
112.414
Cd
Cadmium
49
114.818
In
Indium
50
118.711
Sn
Tin
51
121.760
Sb
Antimony
52
127.603
Te
Tellurium
53
126.904
I
Iodine
54
131.294
Xe
Xenon
55
132.905
Cs
Cesium
56
137.328
Ba
Barium
57
138.905
La
Lanthanum
58
140.116
Ce
Cerium
59
140.908
Pr
Praseodymium
60
144.242
Nd
Neodymium
61
145.000
Pm
Promethium
62
150.362
Sm
Samarium
63
151.964
Eu
Europium
64
157.253
Gd
Gadolinium
65
158.925
Tb
Terbium
66
162.500
Dy
Dysprosium
67
164.930
Ho
Holmium
68
167.259
Er
Erbium
69
168.934
Tm
Thulium
70
173.045
Yb
Ytterbium
71
174.967
Lu
Lutetium
72
178.492
Hf
Hafnium
73
180.948
Ta
Tantalum
74
183.841
W
Tungsten
75
186.207
Re
Rhenium
76
190.233
Os
Osmium
77
192.217
Ir
Iridium
78
195.085
Pt
Platinum
79
196.967
Au
Gold
80
200.592
Hg
Mercury
81
204.380
Tl
Thallium
82
207.210
Pb
Lead
83
208.980
Bi
Bismuth
84
209.000
Po
Polonium
85
210.000
At
Astatine
86
222.000
Rn
Radon
87
223.000
Fr
Francium
88
226.000
Ra
Radium
89
227.000
Ac
Actinium
90
232.038
Th
Thorium
91
231.036
Pa
Protactinium
92
238.029
U
Uranium
93
237.000
Np
Neptunium
94
244.000
Pu
Plutonium
95
243.000
Am
Americium
96
247.000
Cm
Curium
97
247.000
Bk
Berkelium
98
251.000
Cf
Californium
99
252.000
Es
Einsteinium
100
257.000
Fm
Fermium
101
258.000
Md
Mendelevium
102
259.000
No
Nobelium
103
266.000
Lr
Lawrencium
104
267.000
Rf
Rutherfordium
105
268.000
Db
Dubnium
106
269.000
Sg
Seaborgium
107
270.000
Bh
Bohrium
108
269.000
Hs
Hassium
109
278.000
Mt
Meitnerium
110
281.000
Ds
Darmstadtium
111
282.000
Rg
Roentgenium
112
285.000
Cn
Copernicium
113
286.000
Nh
Nihonium
114
289.000
Fl
Flerovium
115
289.000
Mc
Moscovium
116
293.000
Lv
Livermorium
117
294.000
Ts
Tennessine
118
294.000
Og
Oganesson
119
315.000
Uue
Ununennium
Categories (color of background)
diatomic nonmetal
noble gas
alkali metal
alkaline earth metal
metalloid
polyatomic nonmetal
post-transition metal
transition metal
lanthanide
actinide
unknown
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