[Chemistry] Long Form of Periodic Table

INTRODUCTION

the long form of periodic table is the present-day periodic table and is based upon the modern periodic law which establishes the atomic number of the elements as the basis for periodicity.

EXPLANATION

  • The significance of atomic number in the arrangement of elements in the modern periodic table lies in the fact that as electronic configuration is based upon atomic number, therefore the arrangement of elements in accordance with increasing atomic number displays the periodicity (repetition of properties after regular intervals) in the electronic configuration of the elements leading to periodicity in their properties.
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