Characteristics of Mendeleev periodic tabke for 11th class
Answers
Answer:
This was an impressive version of law of octaves. The main point of periodic law as stated by Mendeleev in his original paper are produced below:
Explanation:
1.The elements, if arranged according to their atomic weights, exhibit an evident periodicity of properties.
2.Elements which are similar as regards their chemical properties have atomic weight which either are of nearly same values, e.g., Fe, Co, Ni, or increase regularly, e.g.,K, Rb, Cs.
3.The arrangement of elements or groups of elements in ten order of their atomic weights corresponds to their so called "valencies" as well as their distinctive properties.
4.The magnitude of atomic weight determines the character of the element.
5.Many yet unknown elements may be discovered.
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