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1		What is the electron configuration of a nickel atom?
			A)	[Ar]4s23d8
			B)	[Ar]4s23d6
			C)	[Ar]3d10
			D)	[Ar]3d8
			E)	none of the above
2		How many 3d electrons does a Fe3+ ion have?
			A)	1
			B)	2
			C)	3
			D)	4
			E)	5
3		Which of the following ions is paramagnetic?
			A)	Sc3+
			B)	Ti4+
			C)	Mn7+
			D)	Ni2+
			E)	V5+
4		Which of the following pairs of names and formulas do not refer to the same compound?
			A)	MnCl2·4H2O: manganese(II) chloride tetrahydrate
			B)	CoCl2·6H2O: cobalt(II) chloride hexahydrate
			C)	Ni(NO3)2·6H2O: nickel(II) nitrate hexahydrate
			D)	CuSO4·5H2O: copper(I) sulfate pentahydrate.
			E)	ZnSO4·7H2O: zinc sulfate heptahydrate.
5		Which of the following statements about the electron configurations of lanthanide elements is correct?
			A)	All of the lanthanides have at least one electron in a 5d orbital.
			B)	None of the lanthanides have any electrons in 5d orbitals.
			C)	In compounds, the lanthanides are usually in the +4 oxidation state.
			D)	Cerium forms a stable ion with a charge of +4.
			E)	None of the above statements is correct.
6		Which of the following statements about manganese compounds is incorrect?
			A)	MnO can react to neutralize an acidic solution.
			B)	A solution of Mn2O7 in water is acidic.
			C)	A solution of KMnO4 in water is an oxidizing agent.
			D)	A concentrated solution of MnO2 in water is used as the electrolyte in the commercial wet cell battery.
			E)	Manganese compounds are often colored.
7		Which of the following statements about mercury is incorrect?
			A)	Mercury is easily obtained by heating the ore cinnabar, HgS.
			B)	Certain metals can readily dissolve in mercury, for example zinc and sodium.
			C)	Mercury forms both the Hg22+ and the Hg2+ ion.
			D)	Solid mercury is a good electrical conductor, but in the liquid state it conducts poorly.
			E)	Organomercury compounds are highly toxic and can accumulate in fatty tissue.
8		Which of the following ligands is bidentate?
			A)	cyanide, CN-
			B)	nitrite, NO2-
			C)	ammonia, NH3
			D)	thiocyanate, SCN-
			E)	ethylenediamine, H2NCH2CH2NH2
9		A regular octahedron
			A)	is a polyhedron with eight triangular faces.
			B)	is a polyhedron with eight apices.
			C)	is a polyhedron with six apices, each equidistant from every one of the others.
			D)	is a polyhedron with eight straight-line edges.
			E)	is a polyhedron with eight-sided faces.
10		What is the best name for K3[Fe(CN)6], a compound used in calico printing and wool dyeing?
			A)	tripotassium iron(III)hexacyanate
			B)	potassium hexacyanoferrate(III)
			C)	potassium iron(III)hexacyanate
			D)	potassium hexacyanideferrate
			E)	hexacyano tripotassiumferrate(III)
11		Which of the following complexes could have isomeric forms?
			A)	[Pt(NH3)3Cl]+
			B)	[Fe(CN)6]3-
			C)	[Pt(NH3)Br3]-
			D)	[Pt(en)Cl2]
			E)	[Co(H2O)4Cl2]+
12		Consider the complex ion [Co(NH3)4Cl2]+. Which of the following statements is correct?
			A)	The coordination number of cobalt in this complex ion is 4.
			B)	There are two optical isomers with this formula.
			C)	There is at least one isomer that cannot be sliced into two mirror-image halves.
			D)	The distance between N nuclei is the same for every N-N pair.
			E)	There are two geometric isomers with this formula.
13		According to valence bond theory, what set of hybrid orbitals is involved when a Period 4 transition metal forms a square planar complex?
			A)	d2sp3
			B)	dsp2
			C)	dsp3
			D)	sp3
			E)	d2sp
14		How many unpaired electrons are there in the complex ion [Cr(NH3)6]3+?
			A)	1
			B)	2
			C)	3
			D)	4
			E)	5
15		Which of the following ligands is most likely to form a high spin octahedral complex with cobalt(II)?
			A)	I-
			B)	CN-
			C)	NO2-
			D)	CO
			E)	en