 |
CHEMICAL ELEMENTS LISTED BY ATOMIC NUMBER |
THE ELEMENTS OF THE PERIODIC TABLE SORTED BY ATOMIC NUMBER
ATOMIC
NUMBER
|
NAME
CHEMICAL ELEMENT
|
SYMBOL
|
1
|
Hydrogen
|
H
|
2
|
Helium
|
He
|
3
|
Lithium
|
Li
|
4
|
Beryllium
|
Be
|
5
|
Boron
|
B
|
6
|
Carbon
|
C
|
7
|
Nitrogen
|
N
|
8
|
Oxygen
|
O
|
9
|
Fluorine
|
F
|
10
|
Neon
|
Ne
|
11
|
Sodium
|
Na
|
12
|
Magnesium
|
Mg
|
13
|
Aluminum
|
Al
|
14
|
Silicon
|
Si
|
15
|
Phosphorus
|
P
|
16
|
Sulfur
|
S
|
17
|
Chlorine
|
Cl
|
18
|
Argon
|
Ar
|
19
|
Potassium
|
K
|
20
|
Calcium
|
Ca
|
21
|
Scandium
|
Sc
|
22
|
Titanium
|
Ti
|
23
|
Vanadium
|
V
|
24
|
Chromium
|
Cr
|
25
|
Manganese
|
Mn
|
26
|
Iron
|
Fe
|
27
|
Cobalt
|
Co
|
28
|
Nickel
|
Ni
|
29
|
Copper
|
Cu
|
30
|
Zinc
|
Zn
|
31
|
Gallium
|
Ga
|
32
|
Germanium
|
Ge
|
33
|
Arsenic
|
As
|
34
|
Selenium
|
Se
|
35
|
Bromine
|
Br
|
36
|
Krypton
|
Kr
|
37
|
Rubidium
|
Rb
|
38
|
Strontium
|
Sr
|
39
|
Yttrium
|
Y
|
40
|
Zirconium
|
Zr
|
41
|
Niobium
|
Nb
|
42
|
Molybdenum
|
Mo
|
43
|
Technetium
|
Tc
|
44
|
Ruthenium
|
Ru
|
45
|
Rhodium
|
Rh
|
46
|
Palladium
|
Pd
|
47
|
Silver
|
Ag
|
48
|
Cadmium
|
Cd
|
49
|
Indium
|
In
|
50
|
Tin
|
Sn
|
51
|
Antimony
|
Sb
|
52
|
Tellurium
|
Te
|
53
|
Iodine
|
I
|
54
|
Xenon
|
Xe
|
55
|
Cesium
|
Cs
|
56
|
Barium
|
Ba
|
57
|
Lanthanum
|
La
|
58
|
Cerium
|
Ce
|
59
|
Praseodymium
|
Pr
|
60
|
Neodymium
|
Nd
|
61
|
Promethium
|
Pm
|
62
|
Samarium
|
Sm
|
63
|
Europium
|
Eu
|
64
|
Gadolinium
|
Gd
|
65
|
Terbium
|
Tb
|
66
|
Dysprosium
|
Dy
|
67
|
Holmium
|
Ho
|
68
|
Erbium
|
Er
|
69
|
Thulium
|
Tm
|
70
|
Ytterbium
|
Yb
|
71
|
Lutetium
|
Lu
|
72
|
Hafnium
|
Hf
|
73
|
Tantalum
|
Ta
|
74
|
Tungsten
|
W
|
75
|
Rhenium
|
Re
|
76
|
Osmium
|
Os
|
77
|
Iridium
|
Ir
|
78
|
Platinum
|
Pt
|
79
|
Gold
|
Au
|
80
|
Mercury
|
Hg
|
81
|
Thallium
|
Tl
|
82
|
Lead
|
Pb
|
83
|
Bismuth
|
Bi
|
84
|
Polonium
|
Po
|
85
|
Astatine
|
At
|
86
|
Radon
|
Rn
|
87
|
Francium
|
Fr
|
88
|
Radium
|
Ra
|
89
|
Actinium
|
Ac
|
90
|
Thorium
|
Th
|
91
|
Protactinium
|
Pa
|
92
|
Uranium
|
U
|
93
|
Neptunium
|
Np
|
94
|
Plutonium
|
Pu
|
95
|
Americium
|
Am
|
96
|
Curium
|
Cm
|
97
|
Berkelium
|
Bk
|
98
|
Californium
|
Cf
|
99
|
Einsteinium
|
Es
|
100
|
Fermium
|
Fm
|
101
|
Mendelevium
|
Md
|
102
|
Nobelium
|
No
|
103
|
Lawrencium
|
Lr
|
104
|
Rutherfordium
|
Rf
|
105
|
Dubnium
|
Db
|
106
|
Seaborgium
|
Sg
|
107
|
Bohrium
|
Bh
|
108
|
Hassium
|
Hs
|
109
|
Meitnerium
|
Mt
|
110
|
Darmstadtium
|
Ds
|
111
|
Roentgenium
|
Rg
|
112
|
Ununbium
|
Uub
|
113
|
Ununtrium
|
Uut
|
114
|
Ununquadium
|
Uuq
|
115
|
Ununpentium
|
Uup
|
116
|
Ununhexium
|
Uuh
|
117
|
Ununseptium
|
Uus
|
118
|
Ununoctium
|
Uuo
|
CHEMICAL ELEMENTS LISTED BY ATOMIC
MASS
THE ELEMENTS OF THE PERIODIC
TABLE SORTED BY ATOMIC MASS
ATOMIC
MASS
|
NAME
CHEMICAL ELEMENT
|
SYMBOL
|
1.0079
|
Hydrogen
|
H
|
4.0026
|
Helium
|
He
|
6.941
|
Lithium
|
Li
|
9.0122
|
Beryllium
|
Be
|
10.811
|
Boron
|
B
|
12.0107
|
Carbon
|
C
|
14.0067
|
Nitrogen
|
N
|
15.9994
|
Oxygen
|
O
|
18.9984
|
Fluorine
|
F
|
20.1797
|
Neon
|
Ne
|
22.9897
|
Sodium
|
Na
|
24.305
|
Magnesium
|
Mg
|
26.9815
|
Aluminum
|
Al
|
28.0855
|
Silicon
|
Si
|
30.9738
|
Phosphorus
|
P
|
32.065
|
Sulfur
|
S
|
35.453
|
Chlorine
|
Cl
|
39.0983
|
Potassium
|
K
|
39.948
|
Argon
|
Ar
|
40.078
|
Calcium
|
Ca
|
44.9559
|
Scandium
|
Sc
|
47.867
|
Titanium
|
Ti
|
50.9415
|
Vanadium
|
V
|
51.9961
|
Chromium
|
Cr
|
54.938
|
Manganese
|
Mn
|
55.845
|
Iron
|
Fe
|
58.6934
|
Nickel
|
Ni
|
58.9332
|
Cobalt
|
Co
|
63.546
|
Copper
|
Cu
|
65.39
|
Zinc
|
Zn
|
69.723
|
Gallium
|
Ga
|
72.64
|
Germanium
|
Ge
|
74.9216
|
Arsenic
|
As
|
78.96
|
Selenium
|
Se
|
79.904
|
Bromine
|
Br
|
83.8
|
Krypton
|
Kr
|
85.4678
|
Rubidium
|
Rb
|
87.62
|
Strontium
|
Sr
|
88.9059
|
Yttrium
|
Y
|
91.224
|
Zirconium
|
Zr
|
92.9064
|
Niobium
|
Nb
|
95.94
|
Molybdenum
|
Mo
|
98
|
Technetium
|
Tc
|
101.07
|
Ruthenium
|
Ru
|
102.9055
|
Rhodium
|
Rh
|
106.42
|
Palladium
|
Pd
|
107.8682
|
Silver
|
Ag
|
112.411
|
Cadmium
|
Cd
|
114.818
|
Indium
|
In
|
118.71
|
Tin
|
Sn
|
121.76
|
Antimony
|
Sb
|
126.9045
|
Iodine
|
I
|
127.6
|
Tellurium
|
Te
|
131.293
|
Xenon
|
Xe
|
132.9055
|
Cesium
|
Cs
|
137.327
|
Barium
|
Ba
|
138.9055
|
Lanthanum
|
La
|
140.116
|
Cerium
|
Ce
|
140.9077
|
Praseodymium
|
Pr
|
144.24
|
Neodymium
|
Nd
|
145
|
Promethium
|
Pm
|
150.36
|
Samarium
|
Sm
|
151.964
|
Europium
|
Eu
|
157.25
|
Gadolinium
|
Gd
|
158.9253
|
Terbium
|
Tb
|
162.5
|
Dysprosium
|
Dy
|
164.9303
|
Holmium
|
Ho
|
167.259
|
Erbium
|
Er
|
168.9342
|
Thulium
|
Tm
|
173.04
|
Ytterbium
|
Yb
|
174.967
|
Lutetium
|
Lu
|
178.49
|
Hafnium
|
Hf
|
180.9479
|
Tantalum
|
Ta
|
183.84
|
Tungsten
|
W
|
186.207
|
Rhenium
|
Re
|
190.23
|
Osmium
|
Os
|
192.217
|
Iridium
|
Ir
|
195.078
|
Platinum
|
Pt
|
196.9665
|
Gold
|
Au
|
200.59
|
Mercury
|
Hg
|
204.3833
|
Thallium
|
Tl
|
207.2
|
Lead
|
Pb
|
208.9804
|
Bismuth
|
Bi
|
209
|
Polonium
|
Po
|
210
|
Astatine
|
At
|
222
|
Radon
|
Rn
|
223
|
Francium
|
Fr
|
226
|
Radium
|
Ra
|
227
|
Actinium
|
Ac
|
231.0359
|
Protactinium
|
Pa
|
232.0381
|
Thorium
|
Th
|
237
|
Neptunium
|
Np
|
238.0289
|
Uranium
|
U
|
243
|
Americium
|
Am
|
244
|
Plutonium
|
Pu
|
247
|
Curium
|
Cm
|
247
|
Berkelium
|
Bk
|
251
|
Californium
|
Cf
|
252
|
Einsteinium
|
Es
|
257
|
Fermium
|
Fm
|
258
|
Mendelevium
|
Md
|
259
|
Nobelium
|
No
|
261
|
Rutherfordium
|
Rf
|
262
|
Lawrencium
|
Lr
|
262
|
Dubnium
|
Db
|
264
|
Bohrium
|
Bh
|
266
|
Seaborgium
|
Sg
|
268
|
Meitnerium
|
Mt
|
272
|
Roentgenium
|
Rg
|
277
|
Hassium
|
Hs
|
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