Why do only valence electrons involve in bond formation? Why not elect

1.	Why do only valence electrons involve in bond formation? Why not electron of inner shells? Explain.(OR) Which shell electrons involve in bond formation? Explain. What is the reason behind it?
Answer» 1. The nucleus and the electrons in the inner shell remain unaffected when atoms come close together. 2. But the electrons in the outermost shell (valence shell) of atoms get affected. 3. The inner shell electrons are strongly attracted by the nucleus when compared to the valence electrons. 4. So electrons in valence shell (valence electrons) are responsible for the formation of bond between atoms.

Why do only valence electrons involve in bond formation? Why not electron of inner shells? Explain.(OR) Which shell electrons involve in bond formation? Explain. What is the reason behind it?

Answer»

1. The nucleus and the electrons in the inner shell remain unaffected when atoms come close together.

2. But the electrons in the outermost shell (valence shell) of atoms get affected.

3. The inner shell electrons are strongly attracted by the nucleus when compared to the valence electrons.

4. So electrons in valence shell (valence electrons) are responsible for the formation of bond between atoms.

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Why do only valence electrons involve in bond formation? Why not electron of inner shells? Explain.(OR) Which shell electrons involve in bond formation? Explain. What is the reason behind it?

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