Lewis Dot Structures, Formal Charge, Resonance

What is the molecular geometry of BF₃?

• bent

• trigonal planar

• tetrahedral

• trigonal pyramidal

What is the molecular geometry of SO₂?

• bent <120°

• bent <109.5°

• linear

• trigonal planar

Which of the following forms an incomplete octet?

• CO₂

• BrCl₂

• H₂O

• BeCl₂

Which of the following applies to IF₄¹⁺

• incomplete octet

• follows the octet rules

• free radical

• expanded octet

What is the formal charge on the oxygen atom at the top of this Lewis dot structure?

• 0

• -1

• +1

• -3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the formal charge on the oxygen at the the bottom left in this Lewis dot structure?

• 0

• +1

• -1

• -2

Tags

NGSS.HS-PS1-2

What is the formal charge on the oxygen atom at the top of this Lewis dot structure?

• 0

• +1

• -1

• -2

Tags

NGSS.HS-PS1-2

What is the picture showing?

• All of the resonance structures for carbonate.

• The formal charge on each atom in carbonate.

• The electronegativity for carbonate.

• The ionization energy for carbonate.

Tags

NGSS.HS-PS1-2

What is the formal charge on the phosphorus atom in this Lewis dot structure?

• 0

• -1

• +1

• -3

How many resonance structures can be drawn for NOCl?

• 0

• 1

• 2

• 3