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- 1. Multiple-choice30 seconds1 pt
Which of the following are a properties of an ionic compound? (Choose all that apply)
conducts electricity
low melting point
high melting point
crystal structure
low boiling point
- 2. Multiple-choice30 seconds1 pt
Which is a nonpolar covalent substance?
H2O
NaCl
PH3
CF4
- 3. Multiple-choice1 minute1 pt
What is the correct lewis structure for water?
A
B
C
D
- 4. Multiple-choice1 minute1 pt
What example shows the correct bond polarity?
A
B
C
D
- 5. Multiple-choice1 minute1 pt
What is a non-polar covalent bond?
transfer of electrons
is a bond where electrons are shifted to the more electronegative atom
Sea of electrons
is a bond where electrons are shared equally
- 6. Multiple-choice1 minute1 pt
All diatomic molecules have...
polar covalent bonds
non-polar covalent bonds
ionic bonds
metallic bonds
- 7. Multiple-choice1 minute1 pt
Which shape represents a linear molecule?
A. NH3
B. GeF2
C. C2H2
D. H2O
- 8. Multiple-choice1 minute1 pt
Covalent Bonds involve the….
Sharing of Valence Electrons
Sea of Valence Electrons
Transfer of Valence Electrons
no valence electrons
- 9. Multiple-choice1 minute1 pt
Ionic Bonds involve the….
Sharing of Valence Electrons
Sea of Valence Electrons
Transfer of Valence Electrons
no valence electrons
- 10. Multiple-choice2 minutes1 pt
Which chemical formula has ONE LONE PAIR of electrons on the central atom?
BF3
NH3
BeH2
SiO2
- 11. Multiple-choice30 seconds1 pt
What type of bond is formed between nitrogen and oxygen?
Metallic
No bond will form
Ionic
Covalent
- 12. Multiple-choice30 seconds1 pt
What type of bond is formed between sodium and bromine?
Metallic
No bond will form
Ionic
Covalent
- 13. Multiple-choice30 seconds1 pt
Which molecule has a Dipole?
- 14. Multiple-choice30 seconds1 pt
Potassium metal (K) and chlorine gas (Cl) react to form potassium chloride. Which of the following statements about the changes in the atoms is correct?
K atoms lose an electron and become Neon atoms.
Cl atoms gain an electron and become Argon atoms.
K atoms gain an electron, attaining the electron configuration of Argon.
Cl atoms gain an electron, attaining the electron configuration of Argon.
- 15. Multiple-choice30 seconds1 pt
The correct formula for magnesium chloride is...
Mg2Cl
MgCl2
MgCl
Mg2Cl2
- 16. Multiple-choice30 seconds1 pt
Which answer below correctly lists the formulas for the ions that form the ionic compound given?
calcium chloride → Ca 2+ , Cl 1-
aluminum bromide → Al 3+, Br 2-
lithium oxide → Li 2+, O 1-
potassium nitride → K 3+, N 1-
- 17. Multiple-choice30 seconds1 pt
What is the name of the ionic compound formed from calcium and sulfur?
calcium sulfate
calcium sulfite
calcium sulfur
calcium sulfide
- 18. Multiple-choice30 seconds1 pt
Which of the following is NOT a property of an ionic compound?
conducts electricity
low melting point
high melting point
crystal structure
- 19. Multiple-choice30 seconds1 pt
Strong hydrogen bonds form between water molecules because of their polar covalent nature. Which of the following characteristics of water is explained by these strong intermolecular forces?
I. Water has a higher boiling point than other chemically similar solvents.
II. Water exhibits higher surface tension than other chemically similar liquids.
III. Water is a poor solvent for some organic compounds like alkanes and lipids.
II, only
I and III, only
II and III, only
I, II, and III
- 20. Multiple-choice30 seconds1 pt
Name the following covalent molecule: H 2O
dihydrogen monoxide
dioxide monohydride
dihydrogen monoxygen
dihydrogen oxide
- 21. Multiple-choice1 minute1 ptThis is an example of a __________ bond.non-polar covalentpolar covalentionicmetallic
- 22. Multiple-choice30 seconds1 pt
If students want to determine the strength of intermolecular forces among bond type, how should they go about doing this?
Compare three different ionic compounds to determine the rate of dissolving.
Use a magnifying glass to examine the intermolecuar forces in an ionic, polar and non polar covalent bond.
Compare the conductivity of an ionic and non polar bond.
Determine the melting point of an ionic, polar, and non polar bond.
- 23. Multiple-choice30 seconds1 pt
Why is this figure representative of a polar covalent molecule?
Electrons are being shared equally due to the partial positive and negative charges.
Electrons are being shared unequally due to the partial positive and negative charges.
Electrons are being transferred due to partial positive and negative charge.
Electrons are being transferred due to full positive and negative charge.
- 24. Multiple-choice30 seconds1 pt
Why does this figure represent an ionic molecule?
Electrons are shared equally due to positive and negative charge
Electrons are shared unequally due to positive and negative charge
Electrons are transferred due to positive and negative charge
- 25. Multiple-choice30 seconds1 pt
If a substance conducts electricity in water, what type of bond is being described?
ionic because ions are free to move and conduct electricity
polar because ions are free to move and conduct electricity
ionic because no ions are formed
polar because no ions are formed
- 26. Multiple-choice30 seconds1 pt
Which test would be used to determine the strength of intermolecular forces?
color
luster
melting point
solubility in water
- 27. Multiple-choice30 seconds1 pt
Which statement is correct regarding the picture below?
The type of bond between H and Cl covalent is intermolecular and the bond between HCl and HCl is intramolecular.
The type of bond between H and Cl covalent is intramolecular and the bond between HCl and HCl is intermolecular.
The type of bond between H and Cl ionic is intramolecular and the bond between HCl and HCl is intermolecular.
The type of bond between H and Cl ionic is intramolecular and the bond between HCl and HCl is intermolecular.
- 28. Multiple-choice1 minute1 pt
A covalent bond will form between…
SCl2
NaCl
MgF2
CaCl2
- 29. Multiple-choice1 minute1 pt
Metallic bonds involve…..
Sharing of Valence Electrons
Mobile Sea of Valence Electrons
Transfer of Valence Electrons
no valence electrons
- 30. Multiple-choice30 seconds1 ptWhat information do we look for on the periodic table if we want to examine intermolecular forces?atomic massatomic numberelectronegativityionization
- 31. Multiple-choice30 seconds1 ptWhat forces will the following molecule have?DispersionDipoleHydrogen bonding
- 32. Multiple-choice30 seconds1 ptWhat forces will the following molecule have?dispersiondipolehydrogen bonding
- 33. Multiple-choice1 minute1 ptWhich of the following has a full valence shell?OxygenNeonBariumCarbon
- 34. Multiple-choice1 minute1 ptElements on the LEFT side of the periodic table will most likely form:Positive ionsNegative ionsNeutral IonsNone of these
- 35. Multiple-choice1 minute1 ptChemical bonds form when atomscombined nucleigive up neutronsgain protonsshare or transfer electrons
- 36. Multiple-choice1 minute1 ptBonds that form between two metals are called ______________ bonds.ioniccovalentmetallicpervasive
- 37. Multiple-choice1 minute1 ptIf an atom loses two electrons what charge will it have?+ 2- 2+1-1
- 38. Multiple-choice1 minute1 ptHow many valence electrons in this structure?6547
- 39. Multiple-choice1 minute1 ptWhich type of bond creates a "pool" of electrons between atoms?Ionic BondsCovalent BondsMetallic BondsSaving Bonds
- 40. Multiple-choice30 seconds1 ptWhat happens when the sodium atom loses an electron?It become negatively chargedIt become positively chargednone
- 41. Multiple-choice30 seconds1 pt
What group of elements form covalent bonds?
metals
nonmetals
halogens
noble gases
- 42. Multiple-choice30 seconds1 pt
Which of the following explains why a water strider bug can float on the surface of a pond?
Surface tension, caused by capillary action of the water.
Surface tension,caused by hydrogen bonding of water.
Surface tension, caused by ionic bonding of water.
Surface tension, caused by the covalent bonds of water.
- 43. Multiple-choice30 seconds1 pt
Using the electronegative values, which compound is covalent?
KBr
Li2O
CH4
CaO
- 44. Multiple-choice30 seconds1 pt
When metal atoms bond with nonmetal atoms, the nonmetal atoms will
lose electrons, and the resulting ions are smaller.
gain electrons, and the resulting ions are larger.
lose electrons, and the resulting ions are larger.
gain electrons, and the resulting ions are smaller.
- 45. Multiple-choice30 seconds1 ptWhich of these is not an intermolecular force?covalent bondinghydrogen bondingLondon dispersion forcesdipole-dipole forces
- 46. Multiple-choice30 seconds1 ptWhich of these typically increases when IMF's increase?boiling pointmelting pointviscosityall of these
- 47. Multiple-choice30 seconds1 ptWhich of these is the strongest?hydrogen bondingdipole-dipole forcesLondon dispersion forcesionic bonding
- 48. Multiple-choice30 seconds1 ptWhat is the most important IMF exhibited by water?hydrogen bondingdipole-dipole forcesLondon dispersion forcesion-dipole forces
