CBSE Class 10 Chemistry Classification Early Attempts
Q.
The classification of element helps in
Q.
Which of the following set of elements obeys Dobereiner's law of triads?
Q.
Newlands' law was similar to which of the following?
Next Videos
- 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.
- Why the period 3 of the periodic table has 8 elements
- Why is atomic number considered to be a more appropriate parameter than atomic mass for the classification of elements in a periodic table?
- Are the properties of elements placed in a group same?
- Who showed for the first time that there is periodicity in properties of elements?
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