Periods
Periods
The rows in the periodic table are called periods. There are 7 periods in periodic table.
There are 7 periods in the modern periodic table.
The Periodic Table is arranged like it is for a specific reason. It is probably called the Periodic Table because it is made up of "periods" or horizontal rows.
rows. the vertical columns are called periods
Periods.
they are called periods, but most people will know if you call them rows
These are called periods. Although some chemists simply call them rows.
Horizontal rows are called periods. There are 7 periods in periodic table.
They are the horizontal rows in the periodic table
The periodic table has 7 rows and 32 columns.
The horizontal rows on the periodic table are called periods.