Periodic Table
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
H
Hydrogen
1.008
2
He
Helium
4.003
3
Li
Lithium
6.94
4
Be
Beryllium
9.012
Metals
Nonmetals
s
p
d
f
5
B
Boron
10.81
6
C
Carbon
12.011
7
N
Nitrogen
14.007
8
O
Oxygen
15.999
9
F
Fluorine
18.998
10
Ne
Neon
20.18
11
Na
Sodium
22.99
12
Mg
Magnesium
24.305
13
Al
Aluminium
26.982
14
Si
Silicon
28.085
15
P
Phosphorus
30.974
16
S
Sulfur
32.06
17
Cl
Chlorine
35.45
18
Ar
Argon
39.948
19
K
Potassium
39.098
20
Ca
Calcium
40.078
21
Sc
Scandium
44.956
22
Ti
Titanium
47.867
23
V
Vanadium
50.942
24
Cr
Chromium
51.996
25
Mn
Manganese
54.938
26
Fe
Iron
55.845
27
Co
Cobalt
58.933
28
Ni
Nickel
58.693
29
Cu
Copper
63.546
30
Zn
Zinc
65.382
31
Ga
Gallium
69.723
32
Ge
Germanium
72.631
33
As
Arsenic
74.922
34
Se
Selenium
78.972
35
Br
Bromine
79.904
36
Kr
Krypton
83.798
37
Rb
Rubidium
85.468
38
Sr
Strontium
87.621
39
Y
Yttrium
88.906
40
Zr
Zirconium
91.224
41
Nb
Niobium
92.906
42
Mo
Molybdenum
95.951
43
Tc
Technetium
(97)
44
Ru
Ruthenium
101.072
45
Rh
Rhodium
102.906
46
Pd
Palladium
106.421
47
Ag
Silver
107.868
48
Cd
Cadmium
112.414
49
In
Indium
114.818
50
Sn
Tin
118.711
51
Sb
Antimony
121.76
52
Te
Tellurium
127.603
53
I
Iodine
126.904
54
Xe
Xenon
131.294
55
Cs
Cesium
132.905
56
Ba
Barium
137.328
57-70
71
Lu
Lutetium
174.967
72
Hf
Hafnium
178.492
73
Ta
Tantalum
180.948
74
W
Tungsten
183.841
75
Re
Rhenium
186.207
76
Os
Osmium
190.233
77
Ir
Iridium
192.217
78
Pt
Platinum
195.085
79
Au
Gold
196.967
80
Hg
Mercury
200.592
81
Tl
Thallium
204.38
82
Pb
Lead
207.21
83
Bi
Bismuth
208.98
84
Po
Polonium
(209)
85
At
Astatine
(210)
86
Rn
Radon
(222)
87
Fr
Francium
(223)
88
Ra
Radium
(226)
89-102
103
Lr
Lawrencium
(266)
104
Rf
Rutherfordium
(267)
105
Db
Dubnium
(268)
106
Sg
Seaborgium
(269)
107
Bh
Bohrium
(270)
108
Hs
Hassium
(269)
109
Mt
Meitnerium
(278)
110
Ds
Darmstadtium
(281)
111
Rg
Roentgenium
(282)
112
Cn
Copernicium
(285)
113
Nh
Nihonium
(286)
114
Fl
Flerovium
(289)
115
Mc
Moscovium
(289)
116
Lv
Livermorium
(293)
117
Ts
Tennessine
(294)
118
Og
Oganesson
(294)
57
La
Lanthanum
138.905
58
Ce
Cerium
140.116
59
Pr
Praseodymium
140.908
60
Nd
Neodymium
144.242
61
Pm
Promethium
(145)
62
Sm
Samarium
150.362
63
Eu
Europium
151.964
64
Gd
Gadolinium
157.253
65
Tb
Terbium
158.925
66
Dy
Dysprosium
162.5
67
Ho
Holmium
164.93
68
Er
Erbium
167.259
69
Tm
Thulium
168.934
70
Yb
Ytterbium
173.045
89
Ac
Actinium
(227)
90
Th
Thorium
232.038
91
Pa
Protactinium
231.036
92
U
Uranium
238.029
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)