Groups are the vertical columns. Periods are the horizontal rows in the Periodic Table.
A row in the periodic table is called a period. Columns are groups.
A row in the Periodic Table is called a period. Columns are groups.
A row in the Periodic Table is called a period. Columns are groups.
Families (or groups) are the vertical columns of the periodic table. Period is horizontal rows.
Period are horizontal rows and groups are columns.
The Periodic Table has 18 groups and 7 periods.
9
In the periodic table, the horizontal rows are called periods and the vertical columns are groups. Iodine is in period 5.
Usually at the top ... and classically written in Roman numerals.Yes, there are numbers at the top of a periodic table, although they are for the groups/families on the periodic table. Usually the period numbers are found to the left of the periodic table.
A horizontal row in the periodic table is called a period. There are seven periods in the periodic table, labeled from 1 to 7. Each period represents the energy levels of the elements within that row.
groups are the vertical columns on the periodic table
Elements are arranged on the periodic table based on their atomic number, which is the number of protons in their nucleus. This arrangement groups elements with similar properties in columns called groups or families, while elements in the same period have the same number of electron shells.