45
Sc
48
Ti
V
51
52
Cr
55
Mn
56
Fe
59
Co
59
Ni
Cu
63.5
65
Zn
91
Zirconium
89
Yttrium
139
88
Strontium
137
227
Radium
Francium
87
88
Ra
89
Actinium
Ac
57
226
Fr
56
223
55
Lanthanum
La
39
Y
Barium
Ba
38
Sr
20
Caesium
Cs
133
37
Rubidium
Rb
86
19
Ca
72
Hafnium
Hf
179
40
Zr
22
Titanium
Calcium
Potassium
K
21
Scandium
40
39
12
Magnesium
11
Sodium
W
184
42
Molybdenum
96
Mo
24
73
74
Tantalum Tungsten
Ta
181
41
Niobium
93
Nb
23
Vanadium Chromium
Ar
Z
101
Ru
26
Iron
77
Iridium
Ir
192
45
Rhodium
103
Rh
27
Cobalt
78
Platinum
Pt
195
46
Palladium
106
Pd
28
Nickel
atomic number
relative atomic mass
Key
76
Osmium
190
Os
44
Ruthenium
Symbol
Name
75
Rhenium
186
Re
43
Technetium
99
Tc
25
Manganese
79
Gold
197
Au
47
Silver
108
Ag
29
Copper
80
Mercury
201
Hg
48
Cadmium
112
Cd
30
Zinc
28
Na
Mg
27
81
Thallium
Tl
204
49
Indium
In
115
31
Gallium
70
Ga
13
Aluminium
Al
24
23
82
Lead
207
Pb
50
Tin
119
Sn
32
Germanium
73
Ge
14
Silicon
Si
6
Carbon
3
5
12
C
4
11
B
3
Boron
1
Hydrogen
H
1
Group
Beryllium
4
Be
9
2
Lithium
Li
7
1
THE PERIODIC TABLE
83
Bismuth
Bi
209
51
Antimony
122
Sb
33
Arsenic
75
As
15
Phosphorus
P
31
7
Nitrogen
N
14
5
84
Polonium
210
Po
52
Tellurium
Te
128
34
Selenium
79
Se
16
Sulfur
S
32
8
Oxygen
16
O
6
85
Astatine
At
210
53
Iodine
I
127
35
Bromine
80
Br
17
Chlorine
Cl
35.5
9
Fluorine
F
19
7
86
Radon
222
Rn
54
Xenon
131
Xe
36
Krypton
84
Kr
18
Argon
40
Ar
10
Neon
20
Ne
2
Helium
He
4
0