Groups are vertical and contain chemical elements with similar properties; periods are horizontal.
groups
7 periods and 18 groups are there on the modern periodic table.
Modern periodic table has 7 periods and 18 groups.
7The periodic table has 7 periods and 18 groups.
7 periods and 18 groups are there on the modern periodic table.
periodic table is classified into groups and periods.There are 18 groups and 7 periods in periodic table.
Groups are the vertical columns. Periods are the horizontal rows in the periodic table.
A periodic table has seven periods. It also has 18 groups and 4 different families.
False; That would be called groups. Periods are horiztonal rows.
Groups or families are the vertical columns on the periodic table. Periods are the horizontal rows on the Periodic Table.
7The Periodic Table has 7 periods and 18 groups.
The columns are called groups and rows are called periods. There are 18 groups and 7 periods.