Question

What are the the different anomilies of Mendeleev periodic table which can be explained with the help of modern periodic table?

Answer 1

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In the Modern Periodic table elements are arranged in the increasing order of their atomic number, removing the anomaly regarding certain pairs of elements in Mendeleev's periodic table. Hence cobalt will come before nickel even though its atomic mass is greater.

Answer 2

hey mate your answer is

1. In the Modern Periodic Table atomic number of an elements is a more fundamental property than its atomic mass.

2. The anomalous position of hydrogen can be discussed after we see what are the basis on which the position of an elements in the Modern Periodic Table depends.

3. The elements present in any one group have the same number of valence electrons.

4. Atoms of different elements with the same number of occupied shells are placed in the same period.

5. In the Modern Periodic Table, a zig-zag line separated metals from non-metals.

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