Unit 3 Quiz AP (Chap 8 and 9) Molecular Geometry Part 2

Describe the shape of the molecule.

• linear

• bent

• trigonal pyramidal

• tetrahedral

How many sigma bonds are in the following compound?

• 0

• 1

• 2

• 4

What is the principal quantum number of the electrons that are lost when tungsten forms a cation?

• 6

• 5

• 4

• 7

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A molecule of which element contains the strongest bond?

• hydrogen

• fluorine

• nitrogen

• oxygen

What is the molecular geometry of OF₂?

• Linear
• Bent
• Tetrahedral
• Trigonal Planar

Bond breaking is

• exothermic

• endothermic

How many unpaired electrons are in the Lewis dot diagram for the O^-2 ion?

• 0

• 1

• 2

• 3

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

• -1

• +1

• -2

• +2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is arranged by increasing size?

• I ^- , K⁺, Ca⁺² ,

• Ca⁺² , K⁺, I ^-

• K⁺, Ca⁺² , I ^-

• Ca⁺² , I ^- , K⁺

Which of the following has a perfect tetrahedron with no dipole moment for its geometry?

• XeF4

• CBr₄

• PH₃

• CF₂Br₂