Question

1. show your acquaintance with the modern periodic table? ​

Answer 1

answer:-

Modern periodic table is based on the most fundamental property, the atomic number of elements, while Mendeleev's periodic table is based upon the atomic masses of elements.

In the modern periodic table, elements are arranged in accordance with their electronic configurations. The elements having similar electronic configurations are placed in the same group. Hence, elements in given group show similar properties. Elements with different electronic configurations are grouped separately, hence they show different properties.

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