Question

On what basis did Mandeleev arrange the elements in his periodic table ? ( Class 10th)​

Answer 1

Answer:

Atomic mass

Explanation:

Mendeleeve arranged his periodic table on the basis of atomic mass and somewhat on the basis of similarities in physical and chemical properties.

A/c to Mendeleeve physical and chemical properties of elements are periodic function of their masses.

Answer 2

Answer:

Mendeleev arranged the elements known at that time in order of increasing atomic masses and this arrangement was called periodic table. Elements with similar characteristics were present in vertical rows called groups. The horizontal rows were known as periods.

Explanation:

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