Question

defects of Mendeleev periodic table . please help me. urgent ​

Answer 1

Answer:

Here is your Answer..

Explanation:

Anomalous Pairs. The following pairs of elements don't follow the follow Mendeleev's Principles: ...Grouping of chemically dissimilar elements. ...Position of Isotopes. ...Electronic arrangement. ...Separation of chemically similar elements. ...The position of hydrogen

Answer 2

Answer:

Following are the defects in the Mendeleev periodic table:

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