Question

write down any four achievements of Mendeleev periodic table​

Answer 1

Answer:

Achievements of mendeleev periodic table

Achievements of mendeleev periodic tableit was the first table in systematic order.

Achievements of mendeleev periodic tableit was the first table in systematic order.gaps were left for some unknown elements.

Achievements of mendeleev periodic tableit was the first table in systematic order.gaps were left for some unknown elements.he also predicted the properties of some elements like eka boron eka aluminum. etc.

Achievements of mendeleev periodic tableit was the first table in systematic order.gaps were left for some unknown elements.he also predicted the properties of some elements like eka boron eka aluminum. etc.he left some column for noble gases.

Answer 2

Answer:

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