Class 9 Chemistry Chapter 3 Important Long Questions 2024

Students if you are looking for the Class 9 Chemistry Chapter 3 Periodic Table and Periodicity of Properties Long Questions Notes yes? then you visit the right place where you can easily find chapter 3 most important long questions only without answers but it is your responsibility to find answers from your 9th class Chemistry book.

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Class 9 Chemistry Chapter 3 Notes

Post TopicLong Questions
Book CodeChemistry
Class9th Class
Chapter/FullChapter 3
BoardPunjab Board

Class 9 Chemistry Chapter 3 Long Questions Notes

  • Explain the contributions of Mendeleev to the arrangement of elements in his Periodic Table.
  • Show why in a ‘period’ the size of an atom decreases if one moves from left to right.
  • Describe the trends of electronegativity in a period and in a group.
  • Discuss the important features of the modern Periodic Table.
  • What do you mean by blocks in a periodic table and why elements were placed in blocks?
  • Discuss in detail the periods in the Periodic Table.
  • Why and how elements are arranged in a Periodic Table?
  • What is ionization energy? Describe its trend in the Periodic Table.
  • Define electron affinity, and why it increases in a period and decreases in a group in the Periodic Table.
  • Justify the statement, that bigger size atoms have more shielding effect thus low ionization energy.

Chemistry Chapter 3 Long Questions PDF Download

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Chemistry Questions
Chemistry Chapter 3 Questions

Conclusion

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