State Mandeleev’s periodic law. Write two achievements of Mendeleev’s periodic table

CBSE Class 10 CBSE Class 10 Science
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1

State Mandeleev’s periodic law. Write two achievements of Mendeleev’s periodic table.

2

(i) It states, that the properties of the elements are periodic functions of their atomic
masses.
(ii) Two achievements :

  • Prediction of new elements.
  • Systematic study of elements