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Lecture 4: Electron gain enthalpy ; Electronegativity

  • Chapter 3 - Classification of Elements and Periodicity in Properties Assignments 1

    How does electronegativity and non – metallic character related to each
    other?

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  • Chapter 3 - Classification of Elements and Periodicity in Properties Assignments 2

    Why does electronegativity value increases across a period and decreases
    down period?

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  • Chapter 3 - Classification of Elements and Periodicity in Properties Assignments 3

    Define ionization enthalpy and electron gain enthalpy?

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  • Chapter 3 - Classification of Elements and Periodicity in Properties Assignments 4

     

    Describe the theory associated with the radius of an atom as it

    (a) gains an electron

    (b) loses an electron

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  • Chapter 3 - Classification of Elements and Periodicity in Properties Assignments 5

     

    Which of the following pairs of elements would have a more negative electron gain enthalpy?

    (i) O or F (ii) F or Cl

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    • Description:-

    Lecture 4:
    Today, we will discuss the next two topics of this chapter, i.e; Electron gain enthalpy ; Electronegativity Chapter 3 - Classification of Elements and Periodicity in Properties
    OBJECTIVES:
    1:  Learn about periodic table  Electron gain enthalpy ; Electronegativity
    Important Tip:
     This lecture about Classification of Elements and Periodicity in Properties is base for the further chapters. These topics help in many ways as to understand the and how we can use them. It help you in further studies also.
    Please go through the topic, their notes. Properly do the assignments, watch videos of the concerned topics. If you any doubt about any topic/point please submit it in the discussion section... it will be answered as soon as possible.
    After all of this... when you fell confident about the particular topic/chapter then take the quiz.

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