A) XY
B) XY2
C) XY3
D) XY5
E) All the above can represent stable interhalogen compounds.
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Multiple Choice
A) As2O3
B) P4O10
C) Sb2O3
D) Sb2O5
E) NO2
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Multiple Choice
A) silicon
B) germanium
C) carbon
D) lead
E) xenon
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Multiple Choice
A) Both exhibit electrical properties of a conductor.
B) The oxoanions of both elements occur in extended ionic networks.
C) Both elements form compounds (boranes and silanes) that are good oxidizing agents.
D) Both elements are metalloids.
E) Both elements are unusually soft solids.
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Essay
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Multiple Choice
A) Na
B) Rb
C) Mg
D) Sr
E) Cl2
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Multiple Choice
A) Its salts are much more soluble in water than those of the other alkali metals.
B) It has an unusually high density.
C) It forms molecular compounds with the hydrocarbon groups of organic halides.
D) Its ionization energy is lower than expected.
E) It does not react with water at room temperature.
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Essay
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Essay
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Multiple Choice
A) Sr2+(aq) + H2(g) + O2(g)
B) Sr2+(aq) + H2(g) + OH-(aq)
C) Sr(s) + H2(g) + OH-(aq)
D) Sr(s) + H3O+(aq)
E) None of these choices is correct.
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Essay
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Essay
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Multiple Choice
A) NH3,ammonia.
B) H3PO4,phosphoric acid.
C) NaOH,sodium hydroxide.
D) Na2CO3,sodium carbonate.
E) H2SO4,sulfuric acid.
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Multiple Choice
A) Both oxygen and nitrogen form anions easily.
B) Oxygen is a strong oxidizing agent while nitrogen is a strong reducing agent.
C) Nitrogen uses more oxidation states in its compounds than oxygen does.
D) Nitrogen is more reactive than oxygen.
E) Nitrogen does not form naturally-occurring compounds,but oxygen does.
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Multiple Choice
A) BiCl
B) BiCl2
C) BiCl3
D) BiCl4
E) BiCl5
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Multiple Choice
A) CaH(s)
B) CaH2(s)
C) Ca2H3(s)
D) Ca3H2(s)
E) None of these choices is correct.
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True/False
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Multiple Choice