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Questions and Answers
Which of the following elements can violate the octet rule in a Lewis structure?
Which of the following elements can violate the octet rule in a Lewis structure?
- Phosphorus (correct)
- Nitrogen
- Carbon
- Oxygen
In a Lewis structure, which type of bond does not necessarily follow the octet rule?
In a Lewis structure, which type of bond does not necessarily follow the octet rule?
- Single bond
- Coordinate covalent bond
- Double bond
- Hypervalent bond (correct)
Which molecule violates the octet rule in its Lewis structure?
Which molecule violates the octet rule in its Lewis structure?
- NH3
- H2O
- CH4
- SF4 (correct)
In a Lewis structure, how many electrons are typically shown around each atom?
In a Lewis structure, how many electrons are typically shown around each atom?
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Which of the following elements can exceed the octet rule in a Lewis structure?
Which of the following elements can exceed the octet rule in a Lewis structure?
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In a Lewis structure, what does a dashed line between two atoms represent?
In a Lewis structure, what does a dashed line between two atoms represent?
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Study Notes
Exceptions to the Octet Rule
- Some elements can violate the octet rule in a Lewis structure, including Be, B, and P.
- Dative bonds (also known as coordinate covalent bonds) do not necessarily follow the octet rule.
- XeF2 is a molecule that violates the octet rule in its Lewis structure.
- In a Lewis structure, 8 electrons are typically shown around each atom.
- P, S, and Cl can exceed the octet rule in a Lewis structure, having more than 8 electrons.
- A dashed line between two atoms in a Lewis structure represents a dative bond or coordinate covalent bond.
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