Question

short note of Mendeleev's periodic table ​

Answer 1

Answer:

Mendeleev's ,elements were arranged on the basis of their fundamental property,the atomic mass and also on the similarities of the chemical properties.

when Mendeleev started his work,63 elements were known. He examined the relationship between the atomic masses of the elements and their physical and chemical properties.

He concentrated on the compounds formed by elements with hydrogen and oxygen .He selected hydrogen and oxygen as they are very reactive and formed compounds with most elements .The formulas of the hydroxides and oxides formed by an element were treated as one of the basic properties of an elements are the periodic function of their atomic mass.

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Answer 2

1. Russian Scientist Dmitri Mendeleev Derived The First Periodic Table Of 63 Elements Between 1869-1872 A.D

2.Mendeleev Arrange elements According To Increase In Atomic Mass

3. His Periodic Table was very important for classification of elements

4.He arrange elements on The Basis of Their physical and Chemical properties

5.Mendeleev law states that "Elements are periodic function to their atomic masses"

6.The Vertical column are called groups and horizontal are called as periods in Mendeleev's Periodic Table

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