Chemistry Chapter: Lewis Dot Structures
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Questions and Answers

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?

  • Helium (correct)
  • Nitrogen
  • Argon (correct)
  • Oxygen

Noble gases are highly reactive with other elements.

False (B)

What type of bond is formed from the electrostatic attraction between oppositely charged ions?

<p>Ionic bond</p> Signup and view all the answers

The _____ rule states that atoms tend to bond in such a way as to achieve a full outer shell of electrons.

<p>Octet</p> Signup and view all the answers

Which of the following represents a covalent bond?

<p>HCl (D)</p> Signup and view all the answers

What is the Lewis dot structure for Sodium Nitride?

<p>NaN</p> Signup and view all the answers

What is the Lewis dot structure for Boron Tetrafluoride?

<p>BF4</p> Signup and view all the answers

What is the Lewis dot structure for Ethylene?

<p>C2H4</p> Signup and view all the answers

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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Description

Test your knowledge on Lewis Dot Structures and their applications in ionic and covalent bonding. This quiz covers the fundamental concepts of valence electrons, the Octet Rule, and drawing Lewis structures for various molecules. Prepare to demonstrate your understanding of chemical bonding!

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