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1) Transuranium elements have atomic numbers greater than ________.
A) 90
B) 91
C) 92
D) 93
E) 94
2) What is the conjugate base of OH-?
A) O2
B) O-
C) H2O
D) O2-
E) H3O+
3) Which of the following elements is a nonmetal?
A) At
B) Rh
C) Tc
D) Mo
E) Zr
4) Chalcocite, chalcopyrite, and malachite are sources of which metal?
A) manganese
B) copper
C) titanium
D) iron
E) zinc
5) Based on entropy considerations alone, which homogeneous aqueous equilibrium
would be expected to lie to the right?
A) AgI2
- + 2Br-<=> AgBr2
- + 2I-
B) Ni(H2NC2H4NH2)3
2+ + 6NH3<=> Ni(NH3)6
2+ + 3H2NC2H4NH2
C) CoCl4
2+ + 6H2O <=> Co(H2O)6
2+ + 4Cl-
D) Fe(NH3)6
2+ + C20H10N4
2-<=> Fe(NH3)2(C20H10N4) + 4NH3
E) Cu(NH3)4
2+ + 6H2O <=> Cu(H2O)6
2+ + 4NH3
6) Hydrogen bonding is a special case of ________.
A) London-dispersion forces
B) ion-dipole attraction
C) dipole-dipole attractions
D) ion-ion interactions
E) none of the above
7) There is/are ________ π bond(s) in the molecule below.
A) 7
B) 6
C) 2
D) 1
E) 0
8) The angular momentum quantum number for the outermost electrons in a manganese
atom in the ground state is ________.
A) 1
B) 2
C) 3
D) -1
E) 0
9) Each d-subshell can accommodate a maximum of ________ electrons.
A) 6
B) 2
C) 10
D) 3
E) 5
10) Which of the following are strong acids?
HI
HNO3
HF
HBr
A) HF, HBr
B) HI, HNO3, HF, HBr
C) HI, HF, HBr
D) HNO3, HF, HBr
E) HI, HNO3, HBr
11) Cesium-137 undergoes beta decay and has a half-life of 30.0 years. How many beta
particles are emitted by a 14.0-g sample of cesium-137 in three minutes?
A) 6.1 x 1013
B) 6.2 x 1022
C) 8.4 x 1015
D) 1.3 x 10-8
E) 8.1 x 1015
12) Given the following reactions
H2O (l) → H2O (g) ΔH = 44.01 kJ
2H2 (g) + O2 (g) → 2H2O (g) ΔH = -483.64 kJ
the enthalpy for the decomposition of liquid water into gaseous hydrogen and oxygen
2H2O (l) → 2H2 (g) + O2 (g)
is ________ kJ.
A) -395.62
B) -527.65
C) 439.63
D) 571.66
E) 527.65
13) According to the Heisenberg Uncertainty Principle, it is impossible to know
precisely both the position and the ________ of an electron.
A) mass
B) color
C) momentum
D) shape
E) charge
