Question

how did Mendeleev arrange the elements ? he left empty places in his periodic table . why ? explain the limitations of Mendeleev classification​

Answer 1

Answer:

he arrange elements according to their atomic masses and he left empty places for the elements which will be coming in future. he was not able to give a position to the hydrogen

Answer 2

Mendeleev's periodic classification of elements.

Principle of his classification:

• Dimitri Ivanovich Mendeleev arranged the elements based upon the two properties called atomic  mass and similar chemical properties.

Empty space in Mendeleev's periodic table:

• He left empty spaces which are called gaps in his periodic table because he was sure that the undiscovered elements if discovered will surely fit in the gaps left by him.

Limitation of Mendeleev's classification:

• The position of hydrogen in the Mendeleev's classification was not fixed and was confusing.
• Mendeleev's classification has no space for isotopes.

Learn more about Mendeleev's classification

How were the anomalies of Mendeleev's classification made into order,in the modern periodic table?

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State Mendeleevs periodic law. Write any two limitations of Mendeleevs classification of elements.

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