Font size
WorksheetsERHS Chem - Chapter 6 Covalent Compounds
Total questions: 30
Worksheet time: 15mins
What is the chemical formula for the covalent compound phosphorus trifluoride?
P3F
PF
PF3
P3F3
If our school discovered two new nonmetal elements, Eastridgium (Eg) and Raptorium (Rp), what would be the correct chemical formula for the compound Trieastridgium Diraptoride?
Eg3Rp2
Eg2Rp3
Eg3Rp
EgRp2
What is the name of the covalent compound SO2?
monosulfur dioxide
sulfur dioxide
sulfur oxide
sulfur (II) oxide
What is the name of the covalent compound N2O3?
Nitrogen trioxide
Dinitrogen oxide
Dinitrogen trioxide
Nitrogen oxide
If our school discovered two new nonmetal elements, Eastridgium (Eg) and Raptorium (Rp), what would be the correct name for the covalent compound ErRp2?
Eastridgium Diraptoride
Monoeastridgium Diraptoride
Eastridgium Diraptorium
Eastridgium Raptoride
Two new elements Q (4 valence electrons) and T (6 valence electrons) both need to share electrons to achieve the Octet Rule. They are found in a compound, with hydrogen atoms, that has the formula QH2T. Which Lewis Dot Diagram shows the possible combination of these atoms to form this compound.
A
B
C
D
What is the 3-D VSEPR shape of this molecule?
linear
trigonal planar
tetrahedral
trigonal pyramidal
What is the 3-D VSEPR shape of this molecule?
Linear
Trigonal Planar
Bent
Trigonal Pyramidal
Consider the molecule below. What is the 3-D VSEPR geometry of the carbon labeled as "1"?
C1 = tetrahedral
C1 = trigonal pyramidal
C1 = bent
C1 = trigonal planar
What is the 3-D VSEPR shape of the oxygen atom labeled as #4?
linear
tetrahedral
trigonal pyramidal
bent
The generic Lewis Dot Diagram below has a 3-D VSEPR geometry of _____________ and is ____________.
tetrahedral, polar
tetrahedral, non-polar
trigonal planar, polar
trigonal planar, non-polar
The generic Lewis Dot Diagram below has a 3-D VSEPR geometry of _____________ and is ____________.
trigonal pyramidal, polar
trigonal pyramidal, non-polar
trigonal planar, polar
trigonal planar, non-polar
Which substance would have the weakest/fewest intermolecular forces?
CH4
NH3
H2O
CH3Cl
Which of the two chemicals would have the higher predicted boiling point and why?
Chemical 1, because it has a higher number of intermolecular forces.
Chemical 2, because it has a higher number of intermolecular forces.
Chemical 2, because the number of intermolecular forces is the same, but it has more mass.
Chemical 1, because the number of intermolecular forces is the same, but it has more mass.
Which substance would have the strongest/most intermolecular forces?
CO2
HCN
CH4
CH3Cl
What is the name of the covalent compound SO2 ?
sulfur (II) oxide
What is the formula for nitric acid?
HNO3
HNO2
HNO4
NO
What is the name of H2SO3?
Sulfuric Acid
Sulfurous Acid
Hydrosulfuric Acid
Hydrosulfurous Acid
Is the following compound ionic or covalent?
PBr5
Ionic
Covalent
Is the following compound ionic or covalent?
LiBr
Ionic
Covalent
When determining whether a complete molecule is polar or nonpolar the symmetry rule can be used. Which of the following are correct for this rule? (Check ALL correct answers)
symmetrical = non polar
not symmetrical = polar
symmetrical = polar
non symmetrical = nonpolar
The bond that is formed between a hydrogen atom and a chlorine atom (electronegativity of H = 2.1 and Cl = 3.5) would be:
polar covalent
nonpolar covalent
ionic
metallic
What is the name of the compound MgO?
Monomagnesium Monoxide
Magnesium (II) Oxide
What is the name of the compound Al2S3 ?
Aluminum Sulfide
Dialuminum Trisulfide
Aluminum Trisulfide
Aluminum (II) Sulfide (III)
An unknown chemical is dissolved in water, and when tested, is able to conduct electricity by turning on a light bulb. This chemical would be:
Ionic
Covalent
Both Ionic and Covalent
