
Interpretation:
The position of elements in the periodic table with similar chemical properties needs to be determined. The name of the families having elements with similar chemical properties needs to be determined.
Concept introduction:
The periodic table is a proper arrangement of the elements according to their increasing

Answer to Problem 32A
The vertical column in a periodic table are known as group. The elements with similar properties lie in the same group which is termed as family. Some examples of groups or families with similar properties in the periodic table are alkali metal, alkaline earth metals,
Explanation of Solution
The elements with similar chemical properties are arranged in vertical columns in the periodic table. These columns are also known as groups in the periodic table. For example: halogen family (group 17).
The elements are arranged according to their atomic number and chemical properties. The different families define a similar type of chemical properties of elements.
Chapter 3 Solutions
World of Chemistry
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