Question

How is the modern periodic law an improvement of the old [mendeleef] law?

Answer 1

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The modern periodic law states that the physical and chemical properties of the elements are the periodic functions of their atomic numbers. Scientists arranged elements in increasing order of their atomic numbers from left to right across each row.

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Answer 2

Answer:

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⭐In 1913 , Mosley discovered atomic number. After the discovery of atomic number the periodic table was improved. This improvement id based upon Modern periodic Law. This law states,

⭐In 1913 , Mosley discovered atomic number. After the discovery of atomic number the periodic table was improved. This improvement id based upon Modern periodic Law. This law states, "If the elements are arranged in ascending order of their atomic numbers, their chemical properties repeat in a periodic manner."

"If the elements are arranged in ascending order of their atomic numbers, their chemical properties repeat in a periodic manner."By modern periodic law, confusions (defects) in Mendeleev's table are removed.

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