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Course Textbook Chapters Course Experiments Periodic Table Acids and Bases Reference Safety

  

Periodic Table

Colour by: element type/state of matter (PDF) | approx discovery date (PDF)

Hover mouse over group names and elements for extra information.

  1 2   3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18  
1
1
H
                                 
2
He
 
2
3
Li
4
Be
                     
5
B
6
C
7
N
8
O
9
F
10
Ne
 
3
11
Na
12
Mg
                     
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
 
4
19
K
20
Ca
 
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
 
5
37
Rb
38
Sr
 
39
Y
40
Zr
41
Nb
42
Mb
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
 
6
55
Cs
56
Ba
 * 
71
Lu
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
 
7
87
Fr
88
Ra
 ** 
103
Lr
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Uut
114
Fl
115
Uup
116
Lv
117
Uus
118
Uuo
 

 

     * Lanthanoids 
57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
     
     ** Actinoids 
89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
     

 

Key

Atomic Number

(Mouse-over for
atomic mass - given
to 3 decimal places)

Symbol

(Mouse-over area
for element name
and extra notes)

Solid

Near
Liquid

Liquid

Gas

 Naturally
occuring		 Occurs
from decay

Synthetic

Elements with no
stable isotopes are
given with the mass
of the most stable
isotope in square
brackets.

Not yet synthesised

 

Alkali metal Alkaline
earth metal		 Transition metal Lanthanoid
transition
metal		 Actinoid
transition
metal		 Poor metal Metalloid Non metal Halogen Noble gas
 

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Course Textbook Chapters Course Experiments Periodic Table Acids and Bases Reference Safety

  

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