Question

State modern periodic law .Write 2 advantages of it.​

Answer 1

Answer:

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Explanation:

(ii) It helps us to understand why elements in a group show similar properties but elements in different groups show different properties. (iii) It explains the reasons for the periodicity in properties of elements. (iv) It tells us why the properties of elements are repeated after 2, 8, 18 and 32 elements.

Answer 2

Answer:

(i) The modern periodic table is based on the atomic numbers of elements which is the most fundamental property of elements.

(ii) It helps us to understand why elements in a group show similar properties but elements in different groups show different properties.

(iii) It explains the reasons for the periodicity in properties of elements.

(iv) It tells us why the properties of elements are repeated after 2, 8, 18 and 32 elements.

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Explanation:

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