Chemistry NCFE Review Pt 2

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

Which of the following shapes has unshared pairs of electrons on the central atom? 

• Bipyramidal
• Bent
• Trigonal Planar
• Tetrahedral

Which molecule would have this shape?

• BF₃
• CH₄
• PCl₅
• CO₂

Who could this molecule be?

• CH₄
• CO₂
• PCl₅
• BF₃

Tags

NGSS.MS-PS1-1

How many electrons are shared in a triple bond?

• 6
• 3
• 6 pairs
• 5

Tags

NGSS.HS-PS1-2

Will this molecule be polar or nonpolar? CCl₄

• polar
• nonpolar

Tags

NGSS.HS-PS1-1

Will this molecule be polar or nonpolar? PH₃

• polar
• nonpolar

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Will this molecule be polar or nonpolar? CS₂

• polar
• nonpolar

What is the molecular geometry of OF₂?

• Linear
• Bent
• Tetrahedral
• Trigonal Planar

Which of these has a double bond?

• Cl₂
• H₂
• N₂
• O₂