1) Glass is ________ whereas quartz is ________.
A) hard, soft
B) crystalline, amorphous
C) amorphous, crystalline
D) pure SiO2, a mixture of SiO2 and carbonates
E) breakable, not breakable
2) How many isomers of C2H2Cl2 are polar?
A) none
B) 1
C) 2
D) 3
E) It is impossible to tell without more information.
3) The balanced molecular equation for complete neutralization of H2SO4 by KOH in
aqueous solution is ________.
A) 2H+ (aq) + 2OH– (aq) → 2H2O (l)
B) 2H+ (aq) + 2KOH (aq) → 2H2O (l) + 2K+ (aq)
C) H2SO4 (aq) + 2OH– (aq) → 2H2O (l) + SO4
2- (aq)
D) H2SO4 (aq) + 2KOH (aq) → 2H2O (l) + K2SO4 (s)
E) H2SO4 (aq) + 2KOH (aq) → 2H2O (l) + K2SO4 (aq)
4) The missing product in this reaction would be found in which group of the periodic
table?
Na –> e + _____
A) 1A
B) 2A
C) 3A
D) 8A
E) 7A
5) The dissolution of water in octane (C8H18) is prevented by ________.
A) London dispersion forces between octane molecules
B) hydrogen bonding between water molecules
C) dipole-dipole attraction between octane molecules
D) ion-dipole attraction between water and octane molecules
E) repulsion between like-charged water and octane molecules
6) How many significant figures are in the measurement 5000 g?
A) 4
B) 2
C) 3
D) 1
E) 5
7) Which quantum numbers must be the same for the orbitals that they designate to be
degenerate in a one-electron system (such as hydrogen)?
A) n, l, and ml
B) n and l only
C) l and ml
D) ml only
E) n only
8) Which one of the following derivatives of methane has the highest boiling point?
A) CI4
B) CBr4
C) CCl4
D) CF4
E) CH4
9) What is the pH of an aqueous solution at 25.0 oC that contains 3.98 x 10-9 M
hydronium ion?
A) 8.400
B) 5.600
C) 9.000
D) 3.980
E) 7.000
10) Element M reacts with fluorine to form an ionic compound with the formula MF3.
The M-ion has 21 electrons. Element M is ________.
A) Al
B) Cr
C) Mn
D) Fe
E) Sc
11) Predict the empirical formula of the ionic compound that forms from sodium and
fluorine.
A) NaF
B) Na2F
C) NaF2
D) Na2F3
E) Na3F2
12) Which one of the following is an intensive property?
A) mass
B) temperature
C) heat content
D) volume
E) amount
13) In the de Broglie formula describing the movement of an electron about the
nucleus, the quantity “mv” is called its ________.
14) The monomers of nucleic acids, called nucleotides, consist of three parts. These are
________.
15) The correct answer (reported to the proper number of significant figures) to the
following is ________.
7.3 X 4.68 = ________
16) The average adult in the U.S. needs ________ liters of water per day for drinking.
17) The initial element used to make cobalt-60 for cancer radiation therapy is
________.
18) Elements in group ________ have an np5 electron configuration in the outer shell.