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Periodic Properties and Variations of Properties - Physical and Chemical — Chapter Summary

ICSE · Class 10 · Chemistry

Summary of Periodic Properties and Variations of Properties - Physical and Chemical for ICSE Class 10 Chemistry.

43 questions46 flashcards6 formulas & key relations5 concepts

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A comprehensive labeled diagram of the modern long-form periodic table, clearly showing the s, p, d, and f blocks, numbered periods (1-7), and numbered groups (1-18).
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Overview

Periodic properties are the properties of elements that repeat at regular intervals in the periodic table. The modern periodic table arranges elements in increasing order of atomic numbers, and elements with similar properties appear again and again after regular intervals. This regular repetition i

Key Concepts

The physical and chemical properties

The physical and chemical properties of the elements are periodic functions of their atomic weight.

The physical and chemical properties

The physical and chemical properties of the elements are periodic functions of their atomic numbers. The modern periodic table is based on this law.

The periodic repetition of elements having

The periodic repetition of elements having similar properties after regular intervals is called periodicity.

Noble gases belong to group 18

Noble gases belong to group 18. Representative elements include groups 1, 2, 13, 14, 15, 16, 17, and 18. s-block elements are groups 1 and 2, p-block

Atomic size or atomic radius

Atomic size or atomic radius is the distance from the centre of the nucleus to the outermost shell of electrons. It is expressed in Angstrom units or

Learning Objectives

  • Understand Mendeleev's Periodic Law and Modern Periodic Law
  • Explain why periodicity occurs in the modern periodic table
  • Identify noble gases, representative elements, s-block, p-block, d-block, and f-block elements
  • Define atomic radius, ionisation energy, electron affinity, and electronegativity
  • Describe how periodic properties change across periods and down groups

Frequently Asked Questions

What are the important topics in Periodic Properties and Variations of Properties - Physical and Chemical for ICSE Class 10 Chemistry?
Key topics in Periodic Properties and Variations of Properties - Physical and Chemical include Modern Periodic Table and Periodicity, Classification of Elements, Atomic Size or Atomic Radius, Ionisation Energy and Ionisation Potential. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How should I revise Periodic Properties and Variations of Properties - Physical and Chemical for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 43 practice questions on Periodic Properties and Variations of Properties - Physical and Chemical. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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