AP Class 10 Physical Science Chapter 10 Chemical Bonding

The AP Class 10 Physical Science Chapter 10 Chemical Bonding, in detail discusses the chemical bonding between that takes place between elements.

Points To Remember in Chapter 10 Chemical Bonding

  • Location of elements in the periodic table is helpful in determining the type of bonding that takes place between the elements.
  • The type of bond is decided by the number of valence electrons available in the atom.
  • During the formation of ionic bonds, electropositive elements lose their valence electrons to atoms of electronegative elements in order to attain octet in their valence shell.
  • A covalent bond is a type of chemical bond that is formed by sharing valence-shell electrons between two atoms in order to attain octet or duplet configuration in their valence shell.
  • Electrons aren’t always shared equally between the atoms in a covalent bond. This inequality leads to bond polarity.

To better understand the concepts discussed in chapter 10 of class 10 physical science, let us go through a few chapter questions.

Chapter 10 Chemical Bonding Questions

  1. Explain the difference between the valence electrons and the covalency of an element.
  2. Why do only valence electrons involve in bond formation? Why not electron of inner shells? Explain.
  3. Predict the reasons for low melting point for covalent compounds when compared with the ionic compound.
  4. How Lewis dot structure helps in understanding bond formation between atoms?
  5. What is octet rule? How do you appreciate the role of the ‘octet rule’ in explaining the chemical properties of elements?

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