The Periodic Table of Elements
Li
7
3
lithium
Na
23
11
sodium
K
39
19
potassium
Rb
85
37
rubidium
Cs
133
55
caesium
Fr
[223]
87
* The Lanthanides (atomic numbers 58 – 71) and the Actinides (atomic numbers 90 – 103) have been omitted.
Relative atomic masses for Cu and Cl have not been rounded to the nearest whole number. .
francium
Be
12
Key
9
4
beryllium
atomic symbol
relative atomic mass
atomic (proton) number
name
Mg
24
12
magnesium
Ca
40
20
calcium
Sr
88
38
strontium
Ba
137
56
barium
Ra
[226]
88
radium
Sc
45
21
scandium
Y
89
39
yttrium
La*
139
57
lanthanum
Ac*
[227]
89
actinium
Ti
48
22
titanium
Zr
91
40
zirconium
Hf
178
72
hafnium
Rf
[267]
104
rutherfordium
V
51
23
vanadium
Nb
93
41
niobium
Ta
181
73
tantalum
Db
[270]
105
dubnium
Cr
52
24
chromium
Mo
96
42
molybdenum
W
184
74
tungsten
Sg
[269]
106
seaborgium
Mn
55
25
manganese
Tc
[97]
43
technetium
Re
186
75
rhenium
Bh
[270]
107
bohrium
H
1
hydrogen
Fe
56
26
1
iron
Ru
101
44
ruthenium
Os
190
76
osmium
Hs
[270]
108
hassium
Co
59
27
cobalt
Rh
103
45
rhodium
Ir
192
77
iridium
Mt
[278]
109
meitnerium
Ni
59
28
nickel
Pd
106
46
palladium
Pt
195
78
platinum
Ds
[281]
110
darmstadtium
Cu
63.5
29
copper
Ag
108
47
silver
Au
197
79
gold
Zn
65
30
zinc
Cd
112
48
cadmium
Hg
201
80
mercury
B
11
5
boron
Al
27
13
aluminium
Ga
70
31
gallium
In
115
49
indium
Tl
204
81
thallium
C
12
6
carbon
Si
28
14
silicon
Ge
73
32
germanium
Sn
119
50
tin
Pb
207
82
lead
N
14
7
nitrogen
P
31
15
phosphorus
As
75
33
arsenic
Sb
122
51
antimony
Bi
209
83
bismuth
O
16
8
oxygen
S
32
16
sulfur
Se
79
34
selenium
Te
128
52
tellurium
Po
[209]
84
polonium
F
19
9
fluorine
Cl
35.5
17
chlorine
Br
80
35
bromine
I
127
53
iodine
At
[210]
85
astatine
Ne
345670
20
10
neon
He
4
2
helium
Ar
40
18
argon
Kr
84
36
krypton
Xe
131
54
xenon
Rn
[222]
86
radon
Rg
[281]
111
roentgenium
Cn
[285]
112
copernicium
Nh
[286]
113
nihonium
FI
[289]
114
flerovium
Mc
[289]
115
moscovium
Lv
[293]
116
livermorium
Ts
[293]
117
tennessine
Og
[294]
118
oganesson
Insert for GCSE Chemistry (8462), Combined Science: Trilogy (8464), and Combined Science: Synergy (8465) papers v2
