14
14 postitions
The periodic table is just ONE table. There are not sub-tables. The periodic table is divided into periods (the horizontal rows of the table) and groups (the vertical columns). As you move...
The periodic table consists of elements, not tables. It consists of 118 elements, from Hydrogen as 1, to Ununoctium at number 118.
5 pcs on a riley 6 by 12 foot full size table, weight 170 kg a piece. Total 1200 kg for my table.