Horizontal rows are termed as periods. There are 7 periods in periodic table.
There are 7 periods in the modern periodic table.
there are 7peroids
Periods are the horizontal rows in the periodic table of Mendeleev; this table contain 7 periods.
The periodic table has 18 groups ant 7 periods. Hydrogen and helium are considered members of the first period.
Californium hasn't "periods" inside.
3 periods
6 periods
7 periods.
there are 7 periods in the periodic table118
there are four periods in basketball
4
The time periods are called quarters and there are four of them.
The periodic table has 7 periods on it.
there are 7 periods in the periodic table118
Many poems have no full stops (periods) at all. Otherwise, the longer the poem is, the more it potentially has.
in how MAny days i ll get periods after stopping regestrone for 3 days?