Question

what do you understand by the term group as applied to the long form of the of the periodic table?​

Answer 1

Explanation:

Long Form of Periodic Table

Long Form of Periodic TableThe modern or long form of the periodic table is based on the modern periodic law. The table is the arrangement of elements in increasing order of their atomic numbers. The modern periodic table is the present form of the periodic table. And it consists of 18 vertical columns and 7 horizontal rows.

Answer 2

Group means vertical column and their are 18 groups in long form of periodic table and the elements in a group have same properties and have same valency electrons no of valency elements=group number