The Periodic Table has 7 rows and 32 columns.
There are 7 periods in the modern periodic table.
The rows in the periodic table are called periods. There are 7 periods in periodic table.
There are NO vertical ROWS, because rows run horizontally, and COLUMNS run vertically. There are 18 vertical columns in the periodic table.
rows. the vertical columns are called periods
Horizontal rows are termed as periods. There are 7 periods in periodic table.
Periods are the horizontal rows in the periodic table of Mendeleev; this table contain 7 periods.
They are the horizontal rows in the periodic table
The horizontal rows on the periodic table are called periods.
18 groups
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
As with any grid, the periodic table has rows running left to right, and columns running up and down. The rows are called PERIODS and the columns are called GROUPS.
The rows are used to study the change in trends. There are 7 periods in periodic table.