Covalent Bond and Polyatomic Ions

Boron, an exception when it comes to stability, only needs to be surrounded by ____ valence electrons.

• 2
• 4
• 6
• 8

Tags

NGSS.HS-PS1-1

True or False: The Lewis Dot diagram for CATIONS show a complete octet of valence electrons.

• True
• False

What molecular shape is the structure shown here? (BCl₃)

• linear
• trigonal planar
• tetrahedral
• trigonal pyramidal

What molecular shape is the structure shown here? (NH₄⁺)

• linear
• trigonal planar
• tetrahedral
• trigonal pyramidal

What molecular shape is the structure shown here? (H₂O)

• tetrahedral
• trigonal planar
• bent
• trigonal pyramidal

What is the molecular shape of a silicon dioxide molecule?

• linear
• trigonal planar
• bent
• tetrahedral

Determine the molecular shape of carbon tetrafluoride.

• linear
• trigonal planar
• bent
• tetrahedral

Determine the molecular geometry of ammonia (NH₃).

• trigonal pyramidal
• trigonal planar
• bent
• tetrahedral

What molecular shape is the structure shown here? (BeCl₂)

• linear
• bent
• trigonal planar
• tetrahedral

In a polar bond, the more electronegative element will assume a partial ________ charge.

• positive
• negative