State the main aim of classifying elements. Which is more fundamental property of elements that is used in the development of Modern Periodic Table? Name and state the law based on this fundamental property. On which side of the periodic table one can find metals, non-metals and metalloids?
Answer
The aim of classification is to ensure systematic and simplified study of all elements and their compounds.
The basic property used to classify elements in the modern periodic table was atomic number .
The modern periodic law states that the properties of elements are a periodic function of their atomic number.
In the modern periodic table, metals are found on the left hand side and the center of the periodic table.
Metalloids are found in a zigzag manner in the center of the periodic table
Non metals are found on the right hand side of the periodic table.