Chemistry, asked by rani897654, 9 months ago

write short note on modern periodic law​

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Answered by Sejal04vv
3

Answer:

In 1913, Henry Moseley showed that the atomic number is a more fundamental property of an element than its atomic weight. This observation led to the development of modern periodic law. The modern periodic law states that ' the physical and chemical properties of the elements are periodic function of their atomic numbers.'

When the elements are arranged in order of increasing atomic numbers, the elements with similar properties recur after regular intervals. The periodic repetition is called periodicity. The physical and chemical properties of the elements are related to the arrangement of electrons in the outermost shell.

Answered by Anonymous
12

Explanation:

The Modern periodic law states that The chemical and physical properties of elements are a periodic function of their atomic numbers.

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