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PERIODIC TABLE OF THE
ELEMENTS
Alkali
metals
Group 1
1
metals
Hydrogen
Period 1
H
Period 2
Period 3
Period 4
Alkaline
earth metals
1.0
Group 2
3
4
Lithium
Beryllium
Li
Be
6.9
9.0
11
12
Sodium
Magnesium
Na
Mg
23.0
24.3
Period 1
1
2
Hydrogen
Helium
H
He
1.0
4.0
Key
Atomic number
Name
Symbol
Relative atomic mass
Transition metals
Group 3
Group 4
Group 5
Group 6
Group 7
Group 8
Group 9
19
20
21
22
23
24
25
26
27
Potassium
Calcium
Scandium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Period 5
Period 6
Period 7
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
39.1
40.1
45.0
47.9
50.9
52.0
54.9
55.8
58.9
37
38
39
40
41
42
43
44
45
Rubidium
Strontium
Yttrium
Zirconium
Niobium
Molybdenum
Technetium
Ruthenium
Rhodium
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
85.5
87.6
88.9
91.2
92.9
96.0
(98)
101.1
102.9
55
56
57–71
72
73
74
75
76
77
Caesium
Barium
Lanthanoids
Hafnium
Tantalum
Tungsten
Rhenium
Osmium
Iridium
Cs
Ba
Hf
Ta
W
Re
Os
Ir
132.9
137.3
178.5
180.9
183.8
186.2
190.2
192.2
87
88
89–103
104
105
106
107
108
109
Francium
Radium
Actinoids
Rutherfordium
Dubnium
Seaborgium
Bohrium
Hassium
Meitnerium
Fr
Ra
Rf
Db
Sg
Bh
Hs
Mt
(223)
(226)
(261)
(262)
(266)
(264)
(267)
(268)
59
60
Alkali metals
Lanthanoids
Alkaline earth metals
Transition metals
57
58
Lanthanum
Cerium
Praseodymium Neodymium
61
62
63
Promethium
Samarium
Europium
Lathanoids
La
Ce
Pr
Nd
Pm
Sm
Eu
Actinoids
138.9
140.1
140.9
144.2
(145)
150.4
152.0
Unknown chemical properties
Post-transition metals
Actinoids
Metalloids
89
90
91
92
93
94
95
Non-metals
Actinium
Thorium
Protactinium
Uranium
Neptunium
Plutonium
Americium
Halides
Noble gases
752
Ac
Th
Pa
U
Np
Pu
Am
(227)
232.0
231.0
238.0
(237)
(244)
(243)
Jacaranda Chemistry 1 VCE Units 1 & 2 Third Edition
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Noble gases
Group 18
Group 13
Group 14
Group 15
Group 16
Group 17
2
Helium
He
4.0
5
Boron
B
10.8
6
Carbon
C
12.0
7
Nitrogen
N
14.0
8
Oxygen
O
16.0
9
Fluorine
F
19.0
10
Neon
Ne
20.2
13
Aluminium
Al
27.0
14
Silicon
Si
28.1
15
Phosphorus
P
31.0
16
Sulfur
S
32.1
17
Chlorine
Cl
35.5
18
Argon
Ar
39.9
Non-metals
Group 10
Group 11
Group 12
28
Nickel
Ni
58.7
29
Copper
Cu
63.5
30
Zinc
Zn
65.4
31
Gallium
Ga
69.7
32
Germanium
Ge
72.6
33
Arsenic
As
74.9
34
Selenium
Se
79.0
35
Bromine
Br
79.9
36
Krypton
Kr
83.8
46
Palladium
Pd
106.4
47
Silver
Ag
107.9
48
Cadmium
Cd
112.4
49
Indium
In
114.8
50
Tin
Sn
118.7
51
Antimony
Sb
121.8
52
Tellurium
Te
127.6
53
Iodine
I
126.9
54
Xenon
Xe
131.3
78
Platinum
Pt
195.1
79
Gold
Au
197.0
80
Mercury
Hg
200.6
81
Thallium
Tl
204.4
82
Lead
Pb
207.2
83
Bismuth
Bi
209.0
84
Polonium
Po
(210)
85
Astatine
At
(210)
86
Radon
Rn
(222)
113
Nihonium
Nh
(280)
114
Flerovium
Fl
(289)
115
Moscovium
Mc
(289)
116
Livermorium
Lv
(292)
117
Tennessine
Ts
(294)
118
Oganesson
Og
(294)
110
112
111
Darmstadtium Roentgenium Copernicium
Cn
Ds
Rg
(285)
(271)
(272)
Metals
64
Gadolinium
Gd
157.3
65
Terbium
Tb
158.9
66
Dysprosium
Dy
162.5
67
Holmium
Ho
164.9
68
Erbium
Er
167.3
69
Thulium
Tm
168.9
70
Ytterbium
Yb
173.1
71
Lutetium
Lu
175.0
96
Curium
Cm
(247)
97
Berkelium
Bk
(247)
98
Californium
Cf
(251)
99
Einsteinium
Es
(252)
100
Fermium
Fm
(257)
101
Mendelevium
Md
(258)
102
Nobelium
No
(259)
103
Lawrencium
Lr
(262)
Periodic table of the elements
753
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