Properties
Ionic & Covalent
VSEPR
Polarity & IMF
Nomenclature
100
Identify each of the following as ionic, metallic, or covalent:
A - metallic
B - Ionic
C- Covalent
100
Ionic or Covalent: NO2
Covalent (NM+NM)
100
Ionic, Metallic, Covalent: Which of the following does VSEPR shapes apply to?
Covalent
100
Is the molecule below polar or nonpolar?
nonpolar (no lone pairs)
100
What is the chemical formula for diphosphorus trichloride?
P2Cl3
200
Ionic, Metallic, Covalent: Which of the following is brittle?
Ionic
200
Which covalent bond would be the strongest?
CO2 NO3 O2 OF2
O2
covalent: close = stronger
ionic: far = stronger
200
What is the molecular geometry of the compound below?
tetrahedral
200
Is water polar or non-polar?
polar
200
What is the IUPAC name for P3Br5?
triphoshours pentabromide
300
Ionic, Metallic, Covalent: Which of the following is malleable?
Metallic
300
When drawing covalent lewis dot structures, what two elements are exceptions to the octet rule?
Hydrogen (2) and Boron (6)
300
What is the molecular shape of water?
Bent
300
Which type of IMF is the strongest?
Hydrogen Bonding
Dipole-Dipole
London Dispersion
hydrogen bonding
(Examples: HF, NH₃, H₂O)
300
What is the IUPAC name for NaF?
sodium flouride
400
Ionic, Metallic, Covalent: which conducts electricity as a solution (electrolyte)?
Ionic
400
What type of bond will be formed when Magnesium (Mg) bonds to Chlorine (Cl) and what will the ratio be?
ionic bond
MgCl₂ (1:2 ratio)
400
Draw PH₃ and identify its molecular shape.
Trigonal Pyramidal
400
What type of IMF does the molecule below have?
LD, HB, DD?
Hydrogen Bonding
400
In the IUPAC name Iron (II) Chloride, what does the (II) represent?
Iron has a +2 ion charge; charge of cation
500
Which substance will have the highest boiling point?
MgO Fe O₂
MgO
ionics have VERY high boiling points
500
Draw the lewis dot structure for MgO
500
Which diatomic molecule forms a triple bond and what is the molecular shape? H2, O2, Cl2, N2
N2; linear
500
Can substances with london dispersion forces be described as viscous or volatile?
volatile
500
What is the IUPAC name for Na2SO4?
Sodium Sulfate