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
- Explain the difference between the valence electrons and the covalency of an element.
- Why do only valence electrons involve in bond formation? Why not electron of inner shells? Explain.
- Predict the reasons for low melting point for covalent compounds when compared with the ionic compound.
- How Lewis dot structure helps in understanding bond formation between atoms?
- 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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