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Doc_Immortalx
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I need to write the lewis structures of two ionic compounds. Can anyone help me out? Thank you.
1) (NH4)2SO3
2) LiBH4
1) (NH4)2SO3
2) LiBH4
Lewis Structure of These Molecules?
- Chemistry
- Thread starter Doc_Immortalx
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In summary, a Lewis structure is a diagram used to represent the bonding and nonbonding electrons in a molecule. To draw one, the total number of valence electrons in the molecule must be determined, and then the atoms are arranged and connected with single bonds while fulfilling the octet rule. The octet rule states that atoms strive for a full outer shell with 8 electrons for greater stability. However, atoms in the third row of the periodic table and beyond can have expanded octets due to the availability of d orbitals for bonding. The central atom in a Lewis structure is typically the least electronegative, but can also be determined by factors such as ionization energy and the number of available valence electrons.
1. What is a Lewis structure?
A Lewis structure is a diagram that represents the bonding and nonbonding electrons in a molecule. It is named after Gilbert N. Lewis, who first introduced the concept in 1916.
2. How do you draw a Lewis structure?
To draw a Lewis structure, you must first determine the total number of valence electrons in the molecule. Then, arrange the atoms in the molecule and connect them with single bonds. Finally, add lone pairs of electrons to fulfill the octet rule for each atom.
3. What is the octet rule?
The octet rule states that atoms tend to gain, lose, or share electrons in order to have a full outer shell with 8 electrons. This results in greater stability for the atom.
4. Can atoms have more than 8 electrons in their outer shell?
Yes, atoms in the third row of the periodic table and beyond can have expanded octets, meaning they can have more than 8 electrons in their outer shell. This is because these atoms have d orbitals available for bonding.
5. How do you determine the central atom in a Lewis structure?
The central atom in a Lewis structure is typically the least electronegative atom. It can also be the atom with the lowest ionization energy or the most available valence electrons.
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