Question

What are the basis of mendleevs periodic table

Answer 1

The independent works of Russian chemist Dmitri Mendeleev and German chemist Lothar Mayer in the latter half of 1800s led to the formulation of Periodic Law, which states that properties of elements are a periodic function of their atomic weights. Both Mendeleev and Lothar Meyer arranged the elements in the form of rows and columns, keeping similar elements in the same column. But Mendeleev studied the compounds formed by the elements of a group and even went on to change the order atomic weights in few cases; so that elements in each group exhibit similar properties. He even left gaps in his table and predicted the properties of elements that would fill the gaps.

Its basic are:-
1. There are 8 groups in the periodic table.
2. All elements of group have similar properties.
3. All elements are separated in metal nonmetal and metalloids.

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Answer 2

Hey mate ....

Mendeelev's periodic table was created by Dmitri  Ivanovich Mendeelev

The basis of his periodic table is..

• There are eight groups ..groupI to group VII
• All elements of subgroup have similar properties
• In a period elements gradually change from metallic to non metallic