state the one limitations and one
advantages of newland and mendleev
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newlands--
advantage.. gave an idea that chemical properties are repeated after equal periods
disadvantage... only be applied up to calcium
Mendeleev...
advantage.. elements having similar properties can be grouped in a single group
disadvantage... cannt satisfy position if hydrogen and isotopes
advantage.. gave an idea that chemical properties are repeated after equal periods
disadvantage... only be applied up to calcium
Mendeleev...
advantage.. elements having similar properties can be grouped in a single group
disadvantage... cannt satisfy position if hydrogen and isotopes
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