if an element has 1 shell in its atom it is in period 1and so on...
2 shells=period 2
3 shells=period 3
4 shells=period 4
5 shells=period 5
6 shells=period 6
7 shells=period 7
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.
There are 7 periods. These describe number of shells.
rows. the vertical columns are called periods
The modern periodic table has seven periods.
The horizontal rows on the periodic table are periods.
Periods are horizontal rows. 7 periods are present in modern periodic table.
The question is vague, but they're probably the periods.
The horizontal rows are referred as periods. There are 7 periods in periodic table.
7The periodic table has 7 periods and 18 groups.
Yes. the horizontal rows on the periodic table are called periods.