Types of periodic tables
Types of periodic tables
Different forms of the table of elements.
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Readers' pathsAug 2026 – Oct 2026
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Periodic table
Tabular arrangement of the chemical elements.
24%
Extended periodic table
Periodic table of the elements with eight or more periods.
18%
Nonmetal
Category of chemical elements.
7.6%
Dmitri Mendeleev
Russian chemist (1834–1907).
6.4%
History of the periodic table
Development of the table of chemical elements.
5.9%
Lanthanide
Elements with atomic numbers 57-70.
4.9%
Transition metal
Series of chemical elements.
4.4%
Dividing line between metals and nonmetals
Feature of some periodic tables of the elements.
4.2%
Alkali metal
Group of highly reactive chemical elements.
4%
Periodic trends
Specific recurring patterns that are present in the modern periodic table.
3.2%
Readers come from
Share of the 2,337 readers arriving from another article
Periodic table
Tabular arrangement of the chemical elements.
78%
Extended periodic table
Periodic table of the elements with eight or more periods.
8.5%
History of the periodic table
Development of the table of chemical elements.
5.3%
Aufbau principle
Principle of atomic physics.
3.6%
Charles Janet
French engineer (1849–1932).
1.9%
Mendeleev's predicted elements
Elements predicted but not found in 1869.
0.51%
Chemical element
Chemical substance not composed of simpler ones.
0.43%