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Answer:

There are following characteristics which can be determined from Lewis structure. Consider example

  • H3N + BF3 ------> [H3N--->BF3]

Characteristics:

  • One of the part of molecule mostly contain lone pair which is used in bonding.
  • Always represented by arrow bond which is known as coordinate bond.
  • Mostly their product will be single which is known as aduct.
  • Follow octet rule to get stability
  • Mostly cation take part in this reaction
  • Similarly negative ion mostly give Lewis structure.

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Lewis structures show the electrons in valence shells of atoms in molecules.

The Lewis structure of a molecule shows the number of valence electrons on each atom in the molecule. Many important information are deducible from the Lewis structure of a molecule. Some of these pieces of information include;

  • The number of valence electrons on the valence shell of each atom in the molecule
  • The nature of bonding in the molecule
  • Whether or not the atoms in the molecule obey the octet rule
  • Possible resonance structures that could exist for the molecule
  • Whether or not lone pairs of electrons are present on atoms in the molecule.

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