Iupac Periodic Table Of The Elements
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1
2IUPAC Periodic Table of the Elements
1
18
1
2
H
He
hydrogen
helium
2
13
14
15
16
17
Key:
1.008
4.003
3
4
atomic number
5
6
7
8
9
10
Li
Be
Symbol
B
C
N
O
F
Ne
lithium
beryllium
boron
carbon
nitrogen
oxygen
fluorine
neon
name
standard atomic weight
6.941(2)
9.012
10.81
12.01
14.01
16.00
19.00
20.18
11
12
13
14
15
16
17
18
Na
Mg
Al
Si
P
S
Cl
Ar
sodium
magnesium
aluminium
silicon
phosphorus
sulfur
chlorine
argon
3
4
5
6
7
8
9
10
11
12
22.99
24.31
26.98
28.09
30.97
32.07
35.45
39.95
19
20
21
22
22
23
24
24
25
26
27
28
29
30
31
32
33
34
35
36
K
Ca
Sc
Ti
Ti
V
Cr
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
potassium
calcium
scandium
titanium
titanium
vanadium
chromium
chromium
manganese
iron
cobalt
nickel
copper
zinc
gallium
germanium
arsenic
selenium
bromine
krypton
39.10
40.08
44.96
47.87
47.87
50.94
52.00
52.00
54.94
55.85
58.93
58.69
63.55
65.38(2)
69.72
72.64
74.92
78.96(3)
79.90
83.80
37
38
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Rb
Sr
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
rubidium
strontium
strontium
yttrium
zirconium
niobium
molybdenum
technetium
ruthenium
rhodium
palladium
silver
cadmium
indium
tin
antimony
tellurium
iodine
xenon
85.47
88.91
91.22
92.91
95.96(2)
101.1
102.9
106.4
107.9
112.4
114.8
118.7
121.8
127.6
126.9
131.3
87.61
87.61
55
55
56
57-71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
Cs
Cs
Ba
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
lanthanoids
caesium
caesium
barium
hafnium
tantalum
tungsten
rhenium
osmium
iridium
platinum
gold
mercury
thallium
lead
bismuth
polonium
astatine
radon
132.9
132.9
137.3
178.5
180.9
183.9
186.2
190.2
192.2
195.1
197.0
200.6
204.4
207.2
209.0
87
88
89-103
104
105
106
107
108
109
110
111
112
Fr
Ra
Rf
Db
Sg
Bh
Hs
Mt
Ds
Rg
Cn
actinoids
francium
radium
rutherfordium
dubnium
seaborgium
bohrium
hassium
meitnerium
darmstadtium
roentgenium
copernicium
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
lanthanum
cerium
praseodymium
neodymium
promethium
samarium
europium
gadolinium
terbium
dysprosium
holmium
erbium
thulium
ytterbium
lutetium
138.9
140.1
140.9
144.2
150.4
152.0
157.3
158.9
162.5
164.9
167.3
168.9
173.1
175.0
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
actinium
thorium
protactinium
uranium
neptunium
plutonium
americium
curium
berkelium
californium
einsteinium
fermium
mendelevium
nobelium
lawrencium
232.0
231.0
238.0
This periodic table is dated 19 February 2010.
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