The columns represents different families or groups. Some of them have a special name and some are just named the first element in their group. All elements in the same family have similar properties and the same valence number.
There are 8 A columns on the periodic table. They are the two columns of the s-block and the six columns of the p-block.
Columns in a Periodic Table are called groups.They represent elements with similar characteristic. All the elements in a group has same number of valence electron.
groups are the vertical columns on the periodic table
The vertical columns of the periodic table are called groups or families.
The columns on the periodic table are called Groups.
The columns represent groups or families of elements. There are 18 of them.
groups on the periodic table are the vertical coumns that go up and down. A period on the periodic table are the rows that go horizontal or across.
The vertical columns in a periodic table are called Groups.
The word for columns in the periodic table is groups. They are also referred as families.
There are 18 columns.
there are 18 columns
Groups represent vertical columns. They indicate different column with different properties.