Shapes

• What is the shape of a molecule with two regions of electron density and no lone pairs?

  • Shape: Linear
  • Bond angle: 180°
  • Example: BeCl₂
• What is the shape of a molecule with two bonding pairs and one lone pair?

  • Shape: Bent
  • Bond angle: <120°
  • Example: H₂O
• What is the shape of a molecule with three regions of electron density and no lone pairs?

  • Shape: Trigonal planar
  • Bond angle: 120°
  • Example: BF₃
• What is the shape of a molecule with four regions of electron density and no lone pairs?

  • Shape: Tetrahedral
  • Bond angle: 109.5°
  • Example: CH₄
• What is the shape of a molecule with four regions of electron density and one lone pair?

  • Shape: Trigonal pyramidal
  • Bond angle: <109.5°
  • Example: NH₃
• What is the shape of a molecule with two regions of electron density and no lone pairs?

  • Shape: Linear
  • Bond angle: 180°
  • Example: CO₂
• What is the bond angle for a linear molecule?

  180°
• What is the bond angle for a bent molecule?

  <120°
• What is the bond angle for a trigonal planar molecule?

  120°
• What is the bond angle for a tetrahedral molecule?

  109.5°
• What is the bond angle for a trigonal pyramidal molecule?

  <109.5°
• What is the bond shape for 2 bonding pairs and 0 lone pairs?

  Linear
• What is the bond angle for a linear shape?

  180°
• Give an example of a molecule with a linear shape.

  CO2
• What is the bond shape for 3 bonding pairs and 0 lone pairs?

  Trigonal planar
• What is the bond angle for a trigonal planar shape?

  120°
• Give an example of a molecule with a trigonal planar shape.

  BF3
• What is the bond shape for 4 bonding pairs and 0 lone pairs?

  Tetrahedral
• What is the bond angle for a tetrahedral shape?

  109.5°
• Give an example of a molecule with a tetrahedral shape.

  CH4
• What is the bond shape for 3 bonding pairs and 1 lone pair?

  Pyramidal
• What is the bond angle for a pyramidal shape?

  107°
• Give an example of a molecule with a pyramidal shape.

  NH3
• What is the bond shape for 2 bonding pairs and 2 lone pairs?

  Bent
• What is the bond angle for a bent shape?

  104.5°
• Give an example of a molecule with a bent shape.

  Water
• What is the bond shape for 6 bonding pairs and 0 lone pairs?

  Octahedral
• What is the bond angle for an octahedral shape?

  90°
• What is the bond shape for 2 bonding pairs and 0 lone pairs in the context of PLIS?

  Linear
• What is the bond angle for a square planar shape?

  90°
• What is the bond shape for 4 bonding pairs and 2 lone pairs?

  Square planar
• What is the bond shape for 3 bonding pairs and 2 lone pairs?

  Linear
• What is the bond shape for 5 bonding pairs and 0 lone pairs?

  Trigonal bipyramidal
• What is the bond angle for a trigonal bipyramidal shape?

  90° and 120°
• What is the bond shape for 3 bonding pairs and 3 lone pairs?T shaped
• What is the bond angle for a T-shaped structure
• What is the bond shape for 2 bonding pairs and 3 lone pairs?

  Linear
• What is the bond angle for a linear structure with 2 bonding pairs and 3 lone pairs?

  180°