7 periods and 12 groups
18 group and 18 periods.
8
18 groups
Modern periodic table has 7 periods and 18 groups.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
7 periods and 18 groups are there on the modern periodic table.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
There are 18 groups and 7 periods in the modern periodic table.
Modern periodic table has 7 periods and 18 groups.
7 periods and 18 groups are there on the modern periodic table.
7The periodic table has 7 periods and 18 groups.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
In the periodic table of the elements there are 7 periods and 18 groups. The rows are called periods and columns are called groups. You may be getting confused by the lanthanides and actinides. These groups of elements are found in two rows at the bottom and seem to not be a part of the table. However, if you find and extended version of the table you will see that, technically, these two rows belong in Periods 6 and 7.
groups
periodic table is classified into groups and periods.There are 18 groups and 7 periods in periodic table.
7 periods and 18 groups are there on the modern periodic table.
The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
Groups are the vertical columns. Periods are the horizontal rows in the periodic table.
The Periodic Table has 18 groups and 7 periods.
A periodic table has seven periods. It also has 18 groups and 4 different families.