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Questions and Answers
What are Lewis dot structures used for?
What are Lewis dot structures used for?
They illustrate how valence electrons are arranged around atoms and show bonds between elements in a molecule.
Which of the following are noble gases?
Which of the following are noble gases?
- Helium (correct)
- Nitrogen
- Argon (correct)
- Oxygen
Noble gases are highly reactive with other elements.
Noble gases are highly reactive with other elements.
False (B)
What type of bond is formed from the electrostatic attraction between oppositely charged ions?
What type of bond is formed from the electrostatic attraction between oppositely charged ions?
The _____ rule states that atoms tend to bond in such a way as to achieve a full outer shell of electrons.
The _____ rule states that atoms tend to bond in such a way as to achieve a full outer shell of electrons.
Which of the following represents a covalent bond?
Which of the following represents a covalent bond?
What is the Lewis dot structure for Sodium Nitride?
What is the Lewis dot structure for Sodium Nitride?
What is the Lewis dot structure for Boron Tetrafluoride?
What is the Lewis dot structure for Boron Tetrafluoride?
What is the Lewis dot structure for Ethylene?
What is the Lewis dot structure for Ethylene?
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Study Notes
Lewis Dot Structures
- Simplified drawings of how valence electrons are arranged around atoms in a molecule
- Illustrate bonds between elements in a molecule
- Use the "Octet Rule"
Noble Gases
- Rarely react with other elements
- Helium, neon, argon, krypton, xenon and radon atoms all have a full outer valence shell of electrons, which makes them unreactive
Ionic Bonding
- Type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound
- Forms when the valence (outermost) electrons of one atom are transferred permanently to another atom
Steps of Drawing Lewis Dot Structure
Lewis Dot Structure of Ionic Bonds
- MgO
- LiF
- Li2S
- KCl
- KF
- Al2O3
- Al2S3
- KClO3
Lewis Dot Structure of Covalent Bonding
- Valence electrons for:
- Hydrogen (H): 1
- Carbon (C): 4
- Nitrogen (N): 5
- Oxygen (O): 6
- Chlorine (Cl): 7
Lewis Dot Structure of Covalent
- HCl
- CH4
- NH3
- H2O
- ClO4
- C2H6
- BH3
- SF6
Metallic Bonding
Seatwork
- Determine the kind of bonding and draw the Lewis Dot Structure for:
- NaN
- BF4
- C2H4
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