Atps
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1 118
H hydrogen [1.007; 1.009]
IUPAC Periodic Table of the Elements
2 4
Key:
2
He helium 13 5
14 6
15 7
16 8
17 9
4.003
3
atomic number
10
Li lithium [6.938; 6.997]
Be beryllium 9.012
Symbol name standard atomic weight
B boron [10.80; 10.83]
C carbon [12.00; 12.02]
N nitrogen [14.00; 14.01]
O oxygen [15.99; 16.00]
F fluorine 19.00
Ne neon 20.18
11
12
13
14
15
16
17
18
Na sodium 22.99
Mg magnesium 24.31
Al
3 21 4 22 5 23 6 24 7 25 8 26 9 27 10 28 11 29 12 30 aluminium 26.98
Si silicon [28.08; 28.09]
P phosphorus 30.97
S sulfur [32.05; 32.08]
Cl chlorine [35.44; 35.46]
Ar argon 39.95
19
20
31
32
33
34
35
36
K potassium 39.10
Ca calcium 40.08
Sc scandium 44.96
Ti titanium 47.87
V vanadium 50.94
Cr chromium 52.00
Mn manganese 54.94
Fe iron 55.85
Co cobalt 58.93
Ni nickel 58.69
Cu copper 63.55
Zn zinc 65.38(2)
Ga gallium 69.72
Ge germanium 72.63
As arsenic 74.92
Se selenium 78.96(3)
Br bromine 79.90
Kr krypton 83.80
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Rb rubidium 85.47
Sr strontium 87.62
Y yttrium 88.91
Zr zirconium 91.22
Nb niobium 92.91
Mo molybdenum 95.96(2)
Tc technetium Ru ruthenium 101.1
Rh rhodium 102.9
Pd palladium 106.4
Ag silver 107.9
Cd cadmium 112.4
In indium 114.8
Sn tin 118.7
Sb antimony 121.8
Te tellurium 127.6
I iodine 126.9
Xe xenon 131.3
55
56
57-71 lanthanoids 72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
Cs caesium 132.9
Ba barium 137.3
Hf hafnium 178.5
Ta tantalum 180.9
W tungsten 183.8
Re rhenium 186.2
Os osmium 190.2
Ir
iridium