Those are groups.
Columns in the periodic table are called "groups" and there are 18 groups in the periodic table.
It is called a Group. There are 18 groups in the modern periodic table.
the answer is groups.Added:There are 18 main groups and two special ones (with 14 lanthanides and 14 actinides respectively).Groups contain elements with the same 'outer' electron configuration (valence electrons).Note: Vertical rows are actually called: columns
On the periodic table columns are called groups
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
The columns are known as groups.
The columns are known as groups.
the vertical columns in the periodic table are known as groups.
The vertical columns are called "Groups''The horizontal columns are called "Periods"The vertical columns of the periodic table are known as groups.
the top to bottom are known as columns or groups
There are 18 A columns on the periodic table, also known as the groups. These columns represent elements with similar chemical properties and are numbered from 1 to 18.
A row on the periodic table is known as a "period" and a column is known as a "group."
The columns on a periodic table are also known as groups.
the group, which are the elements in columns
the vertical columns are known as groups
Columns in the periodic table are called "groups" and there are 18 groups in the periodic table.
Vertical columns are known as groups.