How many rows of elements does the periodic table has?

Answer 1

18 columns

There are 18 columns in the s, d, and p blocks on the Periodic Table.

The f block adds 14 more to periods 6 & 7 when included.

Answer 2

There a seven horizontal rows on the periodic table. These rows are called periods. The Lanthanides and Actinides appear to be in independent rows on the table, but the Lanthanides are actually located between Barium and Hafnium, while the Actinides are located between Radium and Rutherfordium.

Answer 3

there are seven horizontal rows on a periodic table and they are called PERIODS.

Answer 4

The periodic table contains seven rows of elements. The lanthanide series belongs to row six as elements 57-71. The actinide series belongs to row seven as elements 89-103.

Answer 5

Periodic table has seven rows.They are known as periods of periodic table.

Answer 6

There are 7 horizontal lines. These are referred as periods.

Answer 7

Periodic table has 7 rows of elements.They are known as period in the periodic table.

Answer 8

there are 18 rows...

Answer 9

The periodic table has 7 periods.

Answer 10

At present (2016) there are 7.