Question

write four uses of mendeleef's periodic tables​

Answer 1

Answer:

The periodic table has following merits and applications:

• Prediction of new elements: Mendeleev left various vacant places in his table which provided a clue for the discovery of new elements
• Determination of correct atomic masses. ...
• Prediction of properties.

Explanation:

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Answer 2

Answer:

(i) Prediction of new elements: Mendeleev left various vacant places in his table which provided a clue for the discovery of new elements.

(ii) Determination of correct atomic masses. This table has also been useful in correcting the doubtful atomic masses of some elements.

(iii) In research work. Periodic table provided useful information which helped in stimulating research work.

(iv) Prediction of properties. The properties of elements and their compounds can be predicted from their positions in the table.