A row on the periodic table is called a period, and a column is called a group or family. Periods are numbered from 1 to 7, and groups are numbered from 1 to 18.
The rows in the periodic table are called periods. There are 7 periods in periodic table.
Periods have same shells. There are 7 periods in periodic table.
rows. the vertical columns are called periods
Horizontal rows are called periods. There are 7 periods in periodic table.
from 1 to 7
A row on the periodic table is called a period, and a column is called a group or family. Periods are numbered from 1 to 7, and groups are numbered from 1 to 18.
The rows in the periodic table are called periods. There are 7 periods in periodic table.
Periods have same shells. There are 7 periods in periodic table.
The periodic table has 7 periods on it.
rows. the vertical columns are called periods
The horizontal rows on the periodic table are periods.
The modern periodic table has seven periods.
Periods are horizontal rows. 7 periods are present in modern periodic table.
A horizontal row of elements on the periodic table is called a period. Periods are numbered from 1 to 7, corresponding to the number of electron shells in an atom of the elements within that period.
The horizontal rows in the periodic table are called periods.
7The periodic table has 7 periods and 18 groups.