Fluorine, F, is in group 17 (7A) and period 2.
Modern periodic table has 7 periods and 18 groups.
7 periods and 12 groups
The horizontal rows on the Periodic Table are called periods, while the vertical columns are called groups or families. For instance, iodine is in the same group, but different period to fluorine, chlorine and bromine.
7 periods and 18 groups are there on the modern periodic table.
The horizontal rows are known as periods. The vertical columns are known as groups / families.
The periods are the rows, and the groups are the columns, so Fluorine, F, is in Period 2 (and Group 7).
The columns are called groups and rows are called periods. There are 18 groups and 7 periods.
Modern periodic table has 7 periods and 18 groups.
7 periods and 12 groups
Groups are vertical and contain chemical elements with similar properties; periods are horizontal.
groups run top to bottom periods run left to right
The horizontal rows on the Periodic Table are called periods, while the vertical columns are called groups or families. For instance, iodine is in the same group, but different period to fluorine, chlorine and bromine.
7 periods and 18 groups are there on the modern periodic table.
False; That would be called groups. Periods are horiztonal rows.
The horizontal rows are known as periods. The vertical columns are known as groups / families.
The periodic table of Mendeleev has 18 groups and 7 periods.
Groups are columns and periods are rows in the periodic table of Mendeleev.