Write the advantage of mendeleev,s periodic table
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Advantage of Mendeleev Periodic Table :- 1.He left blank Places which help scientist to discover new element 2.When Noble gasses was discovered Hel could add it to periodic table without any major changle 3.He predicted the property of new element Disadvantages :- 1. Couldn't explain position of Hydrogen 2.Couldn't answer the question "Can we have an element with atomic mass 3 between Hydrogen and Helium 3 He placed cobalt before Nickel though Cobalt has more mass.
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advantage :-
grouping of elements in eight group
prediction of properties of undiscovered elements
gaps for undiscovered elements
incorrect atomic mass corrected
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