What are the merits of Mendeleev’s Periodic Table?

1.	What are the merits of Mendeleev’s Periodic Table?
Answer» Merits of Mendeleev’s Periodic Table are: (i) Mendeleev left some gaps in his table. Predicted the chemical properties of these 3 elements which were discovered later and had same properties as predicted by Mendeleev, they were gallium, germanium and scandium. (ii) He arranged the elements very systematically in periods and groups.

Answer»

Merits of Mendeleev’s Periodic Table are:

(i) Mendeleev left some gaps in his table. Predicted the chemical properties of these 3 elements which were discovered later and had same properties as predicted by Mendeleev, they were gallium, germanium and scandium.

(ii) He arranged the elements very systematically in periods and groups.

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What are the merits of Mendeleev’s Periodic Table?

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