Chemistry, asked by ponnua8437, 10 months ago

Why do elements arranged in the modern periodic table shows periodicity in properties?

Answers

Answered by anilverma470
2

When elements are placed in the order of their increasing atomic number, the elements having the same number of valence shell electrons is repeated in such a way, so as to fall under the same group. Since, the electronic configuration of the valence shell electrons is same they show similar properties.

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