Each family has different number of valence electrons. The chemical properties of each family is also different.
None are derived from another.
A periodic table has seven periods. It also has 18 groups and 4 different families.
To understand and group all the elements.
Families (or groups) are the vertical columns of the periodic table. Period is horizontal rows.
yes, families and groups the same meaning in the periodic table.
Groups or families are the vertical columns on the periodic table. Periods are the horizontal rows on the Periodic Table.
Not families, Periods (Apex)
No. The horizontal rows of the periodic table are called periods. The vertical columns are called groups, and sometimes called families.
where it is placed
The main families of the periodic table are the alkali metals, the alkaline earth metals, the halogens, and the noble gasses. see them here to view where they are one the periodic table.. hopefully this answers your question.
The vertical columns.
They are the vertical columns.