Elements that are in the same column have similar properties. For this, each
column is called a family and has a family name. At this point, you will refer first to
each family with their corresponding group number. Using the periodic table, notice
hat the columns are numbered 1 to 18 from left to right.
Direction: Identify in which group does each of the elements listed in the tables
belong to? (This time accomplish the third column)​