general/periodic-table
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Types of periodic tables
Different forms of the table of elements
Period (periodic table)
Method of visualizing the relationship between elements
Boron group
Related chemical elements of the periodic table
Dividing line between metals and nonmetals
Feature of some periodic tables of the elements
Group (periodic table)
Column of elements in the periodic table of the chemical elements
Transition metal
Series of chemical elements
Lanthanide
Elements with atomic numbers 57-70