Bonding and VSEPR - Per 7

Understanding charges:  Which one violates the octet rule? 

• S^2-
• Mg¹⁺
• O^2-
• Fr¹⁺

Defining ionic compounds:  Which one of the following forms an ionic bond with Chlorine?

• C
• Mg
• P
• As

Drawing Lewis Structures:  The molecular geometry of boron trichloride is...

• tetrahedral
• trigonal planar
• trigonal bipyramidal
• trigonal pyramidal

Defining ionic compounds:  Which of the following groups contains no ionic compounds?

• HCN, NO₂, Ca(NO₃)₂
• KOH, CaF₂, NaNH₂
• PCl₅, LiBr, Zn(OH)₂
• CH₂O, H₂S, NH₃

Drawing Lewis Structures:  Which molecule contains one lone or unshared pair of valence electrons? 

• H₂O
• NH₃
• CH₄
• CO₂

Drawing Lewis Structures:  In the Lewis structure of SF₂, there are ____ single bonds and ____ total lone pairs on the central atom? 

• 2,8
• 3,8
• 2,2
• 2,6

Defining covalent compounds:  Which of the following is a covalent compound? 

• SrI₂
• P₄O₁₀ 
• LiOH 
• ZnS 

Ionic vs. Covalent Rules:  What is the formula for magnesium nitrate

• Mg(NO₃)₂
• MgNO₃
• Mg₂(NO₃)₂
• Mg₂(NO₃)

Ionic vs. Covalent Rules:  What is the formula for carbon hexasulfide?

• CS₆
• C₆S₆
• CS
• CS₂

Ionic vs. Covalent Rules:  What is the name for SiF₃?

• silicon trifluoride
• silicon fluoride
• monosilicon fluoride
• silicide fluoride