Chemical Bonding

Is this molecule polar or non-polar?

• Polar

• Non-polar

Tags

NGSS.HS-PS1-1

Is this molecule polar or non-polar?

• Non-polar

• Polar

Tags

NGSS.HS-PS1-1

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

• Pairs of valence electrons
• Inner shell electrons
• Mobile Electrons
• Electrons closest to the nucleus

What is the measure of a tetrahedral bond angle?

• 90 Degrees
• 109.5 Degrees
• 120 Degrees
• 180 Degrees

Determine the molecular geometry of the given structure.

• Octahedral

• Square Pyramidal

• Trigonal Bipyramidal

• See Saw

The polarity of a bond between two elements can be best determined by

• The difference in electronegativity between the elements

• The difference in first ionization energy between the elements

• The number of electrons shared in the bond

• The difference in atomic radius between the elements

Which molecule exhibits resonance? 

• O₃
• BeCl₂
• CO₂
• NF₃

Tags

NGSS.HS-PS1-2

What are the formal charges on the boron and nitrogen in the compounds BF₃ and NH₃? 

• -2 and +2
• +2 and –2                             
• 0 and 0
• +1 and –1

Tags

NGSS.HS-PS1-2

Which of the following molecules has Π bonds?

• CO₂

• BF₃

• NH₃

• H₂O

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

The molecule that uses sp³d hybrid orbital on the central atom is

• BCl₃

• NCl₃

• ICl₃

• PCl₃