Question

State the merits of Mendeleev classification of elements​

Answer 1

(i) Mendeleev's periodic law predicted the existence of some elements that had not been discovered at that time.

(ii) Mendeleev's periodic table could predict the properties of several elements on the basis of their positions in the periodic table.

(iii) It could accommodate noble gases when they were discovered.

Step-by-step explanation:

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