Question

True or false
mendeleev's periodic law was based on atomic number ​

Answer 1

Answer:

false

Explanation:

Mendeleev’s periodic law states that;

The physical and chemical properties of elements are a periodic function of their atomic weights.

This means that the physical and chemical properties of elements depend on their atomic weight such that on arranging elements in increasing order of atomic weight, elements with similar properties are repeated after regular intervals of increasing atomic weight.

Answer 2

Answer:

TRUE....

Explanation:

Modern periodic table is based on atomic number. Thus, the properties of elements are related to their atomic number or electronic configuration. Elements are arranged according to increasing order of atomic number. Elements with similar properties occur at regular intervals in the periodic table

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