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please Explain Lewis concept ..............??????????????

please Explain Lewis concept ..............??????????????

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Answer :

Lewis dot structure is the representation of molecules and ions in terms of the shared pairs of electrons and the octet rule.
Steps to write Lewis dot structure are as follows:
· Sum of the valence electrons of the combining atoms = Total number of electrons required to write the structure
· One negative charge = One extra electron
One positive charge = One less electron
· Chemical symbol of the atoms and the skeletal structure of the compound should be known.
· The least electronegative atom occupies the central position of the molecule/ion.
· Utilisation of shared pairs to electrons: First for single bonds, then for the formation of multiple bond or lone pair

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