Multiple choice

Which of the following statements is true about the Mendeleev’s periodic table?

  1. In Mendeleev’s periodic table, atomic masses of the elements increase in a regular manner.

  2. It was possible to predict the number of elements that could be discovered between two elements.

  3. Existence of hydrogen as a diatomic molecule was explained by the Mendeleev’s periodic table.

  4. Mendeleev used a Sanskrit numeral to name the undiscovered elements.
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D Correct answer
Explanation

From above given statements, option (4) is correct, as Mendeleev used a Sanskrit numeral to name the undiscovered elements. 

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