CBSE Class 10 - Classification - Early Attempts Videos
Dobereiner’s Triads
This video explains a case study based question on the basis of Dobereiner's Triads.
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Periodic Classification of Elements
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Periodic Classification of Elements
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Periodic Classification of Elements
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Periodic Classification of Elements
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Periodic Classification of Elements
- name two elements of first period in modern periodic table
- how many elements were discovered at the of newland
- can you tell me about structure of atom and electric spectrum and about quantum numbers
- state three main points of difference between Mendeleev periodic table and Modern Periodic Table
- Write the merits of dobereiner's triads.
- What is meant by (I) a group, and (ii) a period, in a periodic table ?
- The valency of an element whose electronic configuration is 2
- The position of cobalt and nickel was anomalous pair in Mendeleev's periodic table. Please explain if it was merit or demerit of Mendeleev's periodic table?
- Write note on position of isotopes in the Mendeleev's and modern periodic table
- Dear Sir/Madame, Can you please tell me what are the limitations of Dobeniers's law according to the NCERT textbook and nothing extra. Thank you.
