Question

write step to write Lewis dot structure ​

Answer 1

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Steps to write Lewis dot structures :-

1. Add the total number of valence electrons of combining atoms in the molecule.

2. Write skeletal structure of the molecule to show the atoms and number of valence electrons forming the single bond between the atoms.

3. Add remaining electron pairs to complete the octet of each atom.

4. If octet is not complete form multiple bonds between the atoms such that octet of each atom is complete.

5. In anions add one electron for each negative charge.

6. In cations remove or subtract one electron from valence electrons for each positive charge.

7. After writing the number of electrons as shared pairs forming single bonds, the remaining electron pairs are used either for multiple bonds or remain as lone pairs.