Question

Mention achievements of Mendeleev’s periodic table. std 10​

Answer 1

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Achievements of Mendeleev's Periodic Table

• Prediction of new elements and their properties.
• Correction of doubtful atomic masses.
• Position of hydrogen.
• Anomalous positions of some elements.
• Position of isotopes.
• No co-relation of elements in sub-groups.
• Different groups for similar elements.
• Systematic study of the elements.

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Answer 2

Answer:

achievements of Mendeleev's periodic table are

Demidov prize,copley medal, davy medal

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Explanation: