Concept explainers
(a)
Interpretation:
The Lewis structure of Hg22+ should be drawn.
Concept introduction:
Lewis structure is a representation of how valance shell electrons are arranged around individual atoms in a molecule. Steps of drawing Lewis structures are
- Determine the total number of valence electrons in a molecule.
- Draw a sketch of the molecule connecting all atoms to the central atom using only single bond. Central atom is the one which can form highest number of bonds. One bond indicates two electrons
- The remaining electrons are distributed among the atoms as their octets are being completed.
- If the octet of central atom is no completed, using lone pairs of terminal atoms, create multiple bonds.
- Then determine the formal charge of all atoms
Formal charge = valence electrons − Nonbonding electrons − (1/2) x Bonding electrons
(b)
Interpretation:
The Lewis structure of Mn2O7 should be drawn.
Concept introduction:
Lewis structure is a representation of how valance shell electrons are arranged around individual atoms in a molecule. Steps of drawing Lewis structures are
- Determine the total number of valence electrons in a molecule.
- Draw a sketch of the molecule connecting all atoms to the central atom using only single bond. Central atom is the one which can form highest number of bonds. One bond indicates two electrons
- The remaining electrons are distributed among the atoms as their octets are being completed.
- If the octet of central atom is no completed, using lone pairs of terminal atoms, create multiple bonds.
- Then determine the formal charge of all atoms
Formal charge = valence electrons − Nonbonding electrons − (1/2) x Bonding electrons
(c)
Interpretation:
The Lewis structure of OsO4 should be drawn.
Concept introduction:
Lewis structure is a representation of how valance shell electrons are arranged around individual atoms in a molecule. Steps of drawing Lewis structures are
- Determine the total number of valence electrons in a molecule.
- Draw a sketch of the molecule connecting all atoms to the central atom using only single bond. Central atom is the one which can form highest number of bonds. One bond indicates two electrons
- The remaining electrons are distributed among the atoms as their octets are being completed.
- If the octet of central atom is no completed, using lone pairs of terminal atoms, create multiple bonds.
- Then determine the formal charge of all atoms
Formal charge = valence electrons − Nonbonding electrons − (1/2) x Bonding electrons
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GENERAL CHEMISTRY(LL)-W/MASTERINGCHEM.
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