For example, if the electronic configuration of an element is 2, 1, it means that the element belongs to group I and 2nd period (valence electron is present in the 2nd shell). ... Thus, the modern periodic table is based on the electronic configuration of the different elements.
Modern periodic table states that the physical and chemical properties of an element in the periodic table are the periodic function of the atomic number of the element. Electronic configuration of elements plays an important role in the placement of elements in modern periodic table. The valance shell electron of an element decides its position in a particluar group or period.
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For example, if the electronic configuration of an element is 2, 1, it means that the element belongs to group I and 2nd period (valence electron is present in the 2nd shell). ... Thus, the modern periodic table is based on the electronic configuration of the different elements.
Answer:
Modern periodic table states that the physical and chemical properties of an element in the periodic table are the periodic function of the atomic number of the element. Electronic configuration of elements plays an important role in the placement of elements in modern periodic table. The valance shell electron of an element decides its position in a particluar group or period.
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