Periodic Table of Elements
Groups
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
1
1.008
H
Hydrogen
2
4.0026
He
Helium
2
3
6.94
Li
Lithium
4
9.0122
Be
Beryllium
5
10.81
B
Boron
6
12.011
C
Carbon
7
14.007
N
Nitrogen
8
15.999
O
Oxygen
9
18.998
F
Fluorine
10
20.18
Ne
Neon
3
11
22.99
Na
Sodium
12
24.305
Mg
Magnesium
13
26.982
Al
Aluminum
14
28.085
Si
Silicon
15
30.974
P
Phosphorus
16
32.06
S
Sulfur
17
35.45
Cl
Chlorine
18
39.948
Ar
Argon
4
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
65.38
Zn
Zinc
31
69.723
Ga
Gallium
32
72.63
Ge
Germanium
33
74.922
As
Arsenic
34
78.971
Se
Selenium
35
79.904
Br
Bromine
36
83.798
Kr
Krypton
5
37
85.468
Rb
Rubidium
38
87.62
Sr
Strontium
39
88.906
Y
Yttrium
40
91.224
Zr
Zirconium
41
92.906
Nb
Niobium
42
95.95
Mo
Molybdenum
43
98
Tc
Technetium
44
101.07
Ru
Ruthenium
45
102.91
Rh
Rhodium
46
106.42
Pd
Palladium
47
107.87
Ag
Silver
48
112.41
Cd
Cadmium
49
114.82
In
Indium
50
118.71
Sn
Tin
51
121.76
Sb
Antimony
52
127.6
Te
Tellurium
53
126.9
I
Iodine
54
131.29
Xe
Xenon
6
55
132.91
Cs
Cesium
56
137.33
Ba
Barium
72
178.49
Hf
Hafnium
73
180.95
Ta
Tantalum
74
183.84
W
Tungsten
75
186.21
Re
Rhenium
76
190.23
Os
Osmium
77
192.22
Ir
Iridium
78
195.08
Pt
Platinum
79
196.97
Au
Gold
80
200.59
Hg
Mercury
81
204.38
Tl
Thallium
82
207.2
Pb
Lead
83
208.98
Bi
Bismuth
84
209
Po
Polonium
85
210
At
Astatine
86
222
Rn
Radon
7
87
223
Fr
Francium
88
226
Ra
Radium
104
267
Rf
Rutherfordium
105
262
Db
Dubnium
106
266
Sg
Seaborgium
107
264
Bh
Bohrium
108
269
Hs
Hassium
109
268
Mt
Meitnerium
110
281
Ds
Darmstadtium
111
282
Rg
Roentgenium
112
285
Cn
Copernicium
113
286
Nh
Nihonium
114
289
Fl
Flerovium
115
290
Mc
Moscovium
116
293
Lv
Livermorium
117
294
Ts
Tennessine
118
294
Og
Oganesson
6
57
138.91
La
Lanthanum
58
140.12
Ce
Cerium
59
140.91
Pr
Praseodymium
60
144.24
Nd
Neodymium
61
145
Pm
Promethium
62
150.36
Sm
Samarium
63
151.96
Eu
Europium
64
157.25
Gd
Gadolinium
65
158.93
Tb
Terbium
66
162.5
Dy
Dysprosium
67
164.93
Ho
Holmium
68
167.26
Er
Erbium
69
168.93
Tm
Thulium
70
173.05
Yb
Ytterbium
71
174.97
Lu
Lutetium
7
89
227
Ac
Actinium
90
232.04
Th
Thorium
91
231.04
Pa
Protactinium
92
238.03
U
Uranium
93
237
Np
Neptunium
94
244
Pu
Plutonium
95
243
Am
Americium
96
247
Cm
Curium
97
247
Bk
Berkelium
98
251
Cf
Californium
99
252
Es
Einsteinium
100
257
Fm
Fermium
101
258
Md
Mendelevium
102
259
No
Nobelium
103
262
Lr
Lawrencium
Periods