AP Chemistry Unit Review

Quiz
•
Chemistry
•
10th Grade - University
•
Hard
+3
Standards-aligned
Charles Martinez
FREE Resource
33 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The molecule with the largest dipole moment
CO2
H20
CH4
C2H4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A particle-level diagram of a metallic element is shown above. Typically, metals are both malleable and ductile. The best explanation for these properties is that the electrons involved in bonding among metal atoms are
unequally shared and form nondirectional bonds
unequally shared and form highly directional bonds
equally shared and form nondirectional bonds
equally shared and form highly directional bonds
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The melting point of MgO is higher than that of NaF. Explanations for this observation include which of the following?
I. Mg2+ is more positively charged than Na+.
II. O2- is more negatively charged than F-.
III. The O2- ion is smaller than the F- ion.
II only
I and II only
I and III only
II and III only
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the energy required to dissociate an ionic solid into gaseous ions (lattice energy) for the compounds NaF and MgF2 is shown in the table above. On the basis of Coulomb's law, which of the following best helps to explain the large difference between the lattice energies of NaF and MgF2 ?
The solubility of MgF2 is less than that of NaF.
The electronegativity of Mg is greater than that of Na.
The mass of the Mg cation is greater than that of the Na cation.
The charge of the Mg cation is larger than that of the Na cation.
Tags
NGSS.HS-PS2-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following has a zero dipole moment?
HCN
NH3
SO2
NO2
PF5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which of the following lewis dot diagrams describe the molecules that are the most polar?
ClF
BrF
CS2
BF3
Tags
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two pure elements react to form a compound. One element is an alkali metal, X, and the other element is a halogen, Z. Which of the following is the most valid scientific claim that can be made about the compound?
It has the formula XZ2.
It does not dissolve in water.
It contains ionic bonds.
It contains covalent bonds.
Tags
NGSS.HS-PS1-3
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