2. Mendeleev's Periodic Table

Periodic classification of elements

Sample paper

  1. What is the mendeleev periodic law?
  2. What is modern periodic law?
  3. What is the name given to the horizontal rows and vertical column
  4. What are the drawbacks of the mendeleev periodic law
  5. How many groups and periods are found in the mendeleev periodic law
  6. Why noble gases are not present in the mendeleev periodic table
  7. How many groups and periods are found in the long form of table
  8. What is ionization enthalpy why the second ionization enthalpy of alkali metals is greater than the first ionization enthalpy
  9. Why the atomic radius of chlorine is less than atomic radius of sodium
  10. What is electronegativity how does electronegativity variates in periodic table from moving top to bottom
  11. Why hydrogen is placed at the top of the periodic table
  12. Who discover the atomic number
  13. What are diagonal elements
  14. What is electron affinity how does it changes when we move from left to right in the periodic table
  15. Why noble gases do not react with any other elements



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