vi
Cambridge IGCSE Physics
Ca
Calcium
K
Potassium
Actinium
Radium
Francium
Original material © Cambridge University Press 2014
Key
b
X
a
Hf
179
Zirconium
Zr
91
Titanium
Rf
73
Db
262
Tantalum
Ta
181
Niobium
Nb
93
Vanadium
41
23
V
51
b = proton (atomic) number
X = atomic symbol
†
*
90
58
52
Sg
263
Tungsten
232 Thorium
Th
– Tc
Manganese 25
Bh
264
Rhenium
Nd
144
Bohrium 107
75
Re
U
Protactinium Uranium 91 92
Pa
Praseodymium Neodymium 59 60 231 238
141
Pr
Seaborgium 106
74
W
140 Cerium
55
Mn
Technetium Molybdenum 43 42 184 186
Mo
Chromium 24 96
Cr
Ce
Rutherfordium Dubnium † 104 105
a = relative atomic mass
89
Ac
Ra
Fr
88
40
22
48
Ti
Lanthanum Hafnium 57 * 72 227 261
La
139
Yttrium
Y
89
Scandium
226
Barium
56
Caesium
39
21
45
Sc
223
Ba
Cs
*58–71 Lanthanoid series †90–103 Actinoid series
87
55
137
Strontium
38
Rubidium
133
88
Sr
85
Rb
20
Magnesium 12 40
Sodium
39
24
Mg
Beryllium
Lithium
23
Be
Li
4
9
7
Na
37
19
11
3
II
I
27
59
28
59
29
64
30
65
5
56
Hs
265
Osmium
Mt
268
Indium
Ir
192
Rhodium
Sm
150
Meitnerium 109
77
45
Rh
103
Cobalt
Co
Neptunium 93
Np 94
Plutonium
Pu
Promethium Samarium 61 62 237 244
Pm
145
Hassium 108
76
Os
Ruthenium 44 190
Ru
101
Iron
Fe
Ds
281
Platinum
Pt
195
Palladium
79
47
Rg
273
Gold
Au
197
Silver
Ag
108
Copper
Cu
Am
243
Europium
Americium 95
63
Eu
152
96
Curium
Cm
Gadolinium 64 247
Gd
157
Darmstadtium Roentgenium 110 111
78
46
Pd
106
Nickel
Ni
– Cn
Mercury
Hg
201
Cadmium
81
49
31
– Uut
Thallium
Tl
204
Indium
In
115
Gallium
Ga
97
65
Berkelium
Bk
247
Terbium
Tb
159
Californium 98
Cf
Dysprosium 66 251
Dy
163
Ununtrium Copernicium 112 113
80
48
Cd
112
Zinc
Zn
Aluminium 13 70
Al
27
Boron
B 6
Ge
73
Silicon
Tin
– Fl
Lead
Pb
207
7
8
Es
252
Holmium
– Uup
Bismuth
Bi
209
Antimony
Sb
122
Arsenic
84
52
34
16
– Lv
Polonium
Po
209
Tellurium
Te
128
Selenium
Se
79
Sulfur
S
32
Oxygen
O
16
9
85
53
35
17
– Uus
Astatine
At
210
Iodine
I
127
Bromine
Br
80
Chlorine
Cl
35.5
Fluorine
F
19
2
86
54
36
18
10
20
– Uuo
Radon
Rn
222
Xenon
Xe
131
Krypton
Kr
84
Argon
Ar
40
Neon
Ne
68
Fm
257
Erbium
Er
167
Md
258
Thulium 70
173
No
259
Ytterbium
Yb
Mendelevium Nobelium 101 102
69
Tm
169
Lr
262
Lutetium
Lawrencium 103
71
Lu
175
Ununpentium Livermorium Ununseptium Ununoctium 118 115 116 117
83
51
33
As
Phosphorus 15 75
P
31
Nitrogen
N
14
Einsteinium Fermium 99 100
67
Ho
165
Flerovium 114
82
50
Sn
Germanium 32 119
14
Si
28
Carbon
C
12
0
Helium 11
VII
Hydrogen
VI
4
V
He
IV
H
III 1
26
1
Group
The Periodic Table