Atomic number

The atomic number corresponds to the number of protons in the nucleus of an atom of that element. It also corresponds to the number of electrons in the neutral atom.

Image showing periodicity of the chemical elements for atomic number in a circular periodic table heatscape style.
Image showing periodicity of the chemical elements for atomic number in a spiral periodic table heatscape style.
Image showing periodicity of the chemical elements for atomic number in a 3D spiral periodic table column style in which the height of the column is proportional to the property.
Image showing periodicity of the chemical elements for atomic number in a 3D spiral periodic table column style in which the height of the column is proportional to the property.
Image showing periodicity of the chemical elements for atomic number in a 3D spiral periodic table column style in which the height of the column is proportional to the property.
Image showing periodicity of the chemical elements for atomic number in a 3D spiral periodic table column style in which the height of the column is proportional to the property. The only differences between this picture and that above are the colours of the background and the base.

Units

None

Notes

None

Literature sources

  1. International Union of Pure & Applied Chemistry: Commission on the Nomeclature of Inorganic Chemistry, Nomenclature of Inorganic Chemistry Recommendations 2005, Eds. N.G. Connelly, T. Damhus, R.M. Hartshorn, and A.T. Hutton, Royal Sociery of Chemistry, 2005. ISBN-13: 978-0854044382.
Explore the element of your choice through this periodic table.
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
S
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
*
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
**
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
 
*Lanthanoids *
57
58
59
60
61
62
63
64
65
66
67
68
69
70
**Actinoids **
89
90
91
92
93
94
95
96
97
98
99
100
101
102