Chemistry Reference
In-Depth Information
The Periodic Table of the elements
Group
I
II
IV
VI
0
III
V
VII
1
4
H
He
Hydrogen
Helium
2
1
7
9
11
12
14
16
19
20
Li
Be
B
C
N
O
F
Ne
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
3
4
5
6
7
8
9
10
24
27
28
31
32
35.5
40
23
Na
Mg
Al
Si
P
S
Cl
Ar
Sodium
Magnesium
Aluminium
Silicon
Phosphorus
Sulfur
Chlorine
Argon
11
12
13
14
15
16
17
18
48
52
56
59
65
40
45
51
55
C
59
C
64
73
79
84
39
70
75
80
Ca
Sc
Ti
Cr
Mn
Fe
Ni
Zn
Ga
Ge
As
Se
Br
Kr
Scandium
Potassium
Calcium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Gallium
Germanium
Arsenic
Selenium
Bromine
Krypton
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
88
91
96
101
106
112
119
128
131
85
89
93
103
108
115
122
127
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Rubidium
Strontium
Yttrium
Zirconium
Niobium
Molybdenum
Technetium
Ruthenium
Rhodium
Palladium
Silver
Cadmium
Indium
Tin
Antimony
Tellurium
Iodine
Xenon
37
38
39
40
41
42
43
44
45
46
48
49
50
51
52
53
54
47
133
137
139
178
181
184
186
190
192
195
197
201
204
207
209
Cs
Ba
La
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
Polonium
At
Astatine
Rn
Caesium
Barium
Lanthanum
Hafnium
Tantalum
Tungsten
Rhenium
Osmium
Irodium
Platinum
Gold
Mercury
Thallium
Lead
Bismuth
Radon
55
56
57
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
*
226
227
Fr
Ra
Ac
Francium
Radium
Actinium
87
88
89
*58-71 Lanthanoid series
90-103 Actinoid series
140
141
144
150
152
157
159
163
165
167
169
173
175
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Cerium
Praseodymium
Neodymium
Promethium
Samarium
Europium
Gadolinium
Terbium
Dysprosium
Holmium
Erbium
Thulium
Ytterbium
Lutetium
Key
58
59
60
61
62
63
64
65
66
67
68
69
70
71
a
a = relative atomic mass
232
238
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
X
X = atomic symbol
b = proton (atomic) number
Thorium
Protactinium
Uranium
Neptunium
Plutonium
Americium
Curium
Berkelium
Californium
Einsteinium
Fermium
Mendelevium
Nobelium
Lawrecium
b
90
91
92
93
94
95
96
97
98
99
100
101
102
103
The volume of one mole of any gas is 24 dm
3
at room temperature and pressure (r.t.p.).
