State the merits of the mendelews classification
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merits of Mendeleev's periodic table:
1)He predicted the properties of undiscovered elements ,which were then almost similar.eg: gallium.
2)He left some gaps in his period table instead of looking upon these gaps as defects .like he left gaps for group 8 elements .
3)He left some spaces for noble gases as it was discovered later because they were very inert and present in extremely low concentrations in our atmosphere.eg.hellium ,argon,neon .
Hope it helps u mate!!!!
1)He predicted the properties of undiscovered elements ,which were then almost similar.eg: gallium.
2)He left some gaps in his period table instead of looking upon these gaps as defects .like he left gaps for group 8 elements .
3)He left some spaces for noble gases as it was discovered later because they were very inert and present in extremely low concentrations in our atmosphere.eg.hellium ,argon,neon .
Hope it helps u mate!!!!
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