Question

What is Modern periodic law

Answer 1

Answer:

The modern periodic table is developed after the periodic law and a periodic table given by Mendeleev. In the latter part of the 18th century, Mendeleev made his periodic table. Scientists did not know about the internal structure of the atom back then.

The development of various atomic models and advances in quantum theory revealed that the atomic number is the most basic property of a chemical element. This led to the modification of Mendeleev’s periodic law, which is today called as modern periodic law.

Answer 2

Answer:

The physical and chemical properties of the elements are periodic functions of their atomic numbers

Explanation:

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