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1) Which of the following correctly represents the third ionization of aluminum?
A) Al2+ (g) + e- → Al+ (g)
B) Al (g) → Al+ (g) + e-
C) Al2- (g) + e- → Al3- (g)
D) Al2+ (g) + e- → Al3+ (g)
E) Al2+ (g) → Al3+ (g) + e-
2) 10.0 grams of argon and 20.0 grams of neon are placed in a 1216.1 ml container at
25.1 °C. The partial pressure of neon is ________ atm.
A) 19.9
B) 5.03
C) 1.68
D) 20.0
E) 49.1
3) Hybridization of Xe in XeF4 is ________ and in XeF2 is ________.
A) sp3d2, sp3d2
B) sp3d, sp3d2
C) sp3d2, sp3d
D) sp3, sp3d
E) sp3, sp3d2
4) Iodine forms an ion with a charge of ________.
A) 7-
B) 1+
C) 2-
D) 2+
E) 1-
5) The mass of a proton is 1.00728 amu and that of a neutron is 1.00867 amu. What is
the binding energy per nucleon (in J) of a 59Co nucleus? (The mass of a cobalt-59
nucleus is 58.9332 amu.)
A) 4.87 x 1010
J
B) 4.87 x 1013
J
C) 1.34 x 10-34
J
D) 2.50 x 1012
J
E) 4.80 x 1010
J
6) What mass (g) of potassium chloride is contained in 430.0 mL of a potassium
chloride solution that has a chloride ion concentration of 0.193 M?
A) 0.0643
B) 0.0830
C) 12.37
D) 0.386
E) 6.19
7) A one degree of temperature difference is the smallest on the ________ temperature
scale.
A) Kelvin
B) Celsius
C) Fahrenheit
D) Kelvin and Celsius
E) Fahrenheit and Celsius
8) The substance ________ is always produced when an active metal reacts with water.
A) NaOH
B) H2O
C) CO2
D) H2
E) O2
9) What is the missing product from this reaction?
Na --> _____ + e
A) Ne
B) Mg
C) Na
D) Na
E) Na
10) Using the data in the table, which of the conjugate acids below is the weakest acid?
A) NH4
+
B) C5H5NH+
C) H3NOH+
D) NH3CH3
+
E) NH4
+ and NH3CH3
+
11) The formal charge on carbon in the molecule below is ________.
A) 0
B) +1
C) +2
D) +3
E) -1
12) A ligand with a single donor atom is called ________.
A) monodentate
B) bidentate
C) polydentate
D) a chelate
E) a chelon
13) Combustion of a 1.031-g sample of a compound containing only carbon, hydrogen,
and oxygen produced 2.265 g of CO2 and 1.236 g of H2O. What is the empirical
formula of the compound?
A) C3H8O
B) C3H5O
C) C6H16O2
D) C3H9O3
E) C3H6O3
14) The ground-state electron configuration of the element ________ is [Kr]5s14d5.
A) Nb
B) Mo
C) Cr
D) Mn
E) Tc
