Question

The horizontal rows in a periodic table are called........

Answer 1

the answer is period

Answer 2

heya

the horizontal rows in periodic table are called period.
- there are 7 horizontal rows in periodic table.
- the vertical rows in periodic table are called families or groups.
- in the group 1 elements are reactive metal are called alkali metals.
- in the group 0 elements they are unreactive non metals are called noble gases.


thank u