Elements known as Eka Aluminium and Eka Silicon would be:

Question

MCQ (Single)Significance of Classification of ElementsMendeleev's Periodic Law and Periodic Table

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What is the basic theme of organisation in the periodic table?

Which important property did Mendeleev use to classify the elements in his periodic table and did he stick to that?

Describe the two merits of long form periodic table over the Mendeleev's periodic table?