Naming Compounds And Writing Formulas Question Preview (ID: 41312)
Practical Questions Of Chemical Nomenclature.
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What is the correct name for the compound Cu2SO3?
a) copper(II) sulfite
b) copper(I) sulfite
c) dicopper sulfur trioxide
d) cuprous sulfate
The number of atoms in one formula unit of the substance, CO(NH2)2, is
a) 5
b) 6
c) 7
d) 8
How many atoms are there in one formula unit of NiSO4 · 7H2O?
a) 9
b) 14
c) 27
d) 28
Which one of the following compounds is correctly described as a hydrate?
a) CoCl2 · 6H2O
b) HC2H3O2
c) NaOH
d) CaH2
Which one of the following is correctly classified as a hydrocarbon?
a) C6H12O6
b) C8H16
c) NaHCl
d) HC2H3O2
The common name for the compound, CH4, is
a) carbon(IV) hydride
b) carbon tetrahydride
c) methane
d) carbonic acid
What is the correct name for the compound IBr3?
a) iodine bromate
b) iodine tribromide
c) monoiodine tribromite
d) bromic iodide
What is the correct name for the compound HI(g)?
a) hydrogen iodide
b) iodic acid
c) hydriodic acid
d) e. monohydrogen monoiodide
What is the correct name for the compound S2Cl2?
a) sulfur(I) chloride
b) disulfur dichloride
c) disulfur dichlorine
d) disulfur chlorate
What is the correct name for the compound HCN(g)?
a) hydrocyanic acid
b) hydrogen carbonitride
c) hydrogen cyanate
d) hydrogen cyanide
When barium metal reacts with chlorine gas it forms an ionic compound, BaCl2. In the course of the reaction, each Ba atom
a) loses two protons
b) loses two electrons
c) gains two protons
d) gains two electrons
An alkaline earth element, which we will represent by the symbol X, unites with a halogen, which we will represent by the symbol Q. What would be the correct formula of the resulting compound?
a) XQ
b) XQ2
c) XQ4
d) X2Q
Aluminum unites with a second element, which we will represent by the symbol E, to form a definite compound whose formula is AlE3. Element E is most probably
a) an actinide element
b) an alkali metal
c) a transition element
d) a halogen
The correct formula for the compound formed between arsenic (As) and hydrogen is
a) AsH3
b) AsH
c) AsH2
d) AsH2
Which one of the following formulas is incorrect because it does not represent a known ionic compound?
a) BaCl2
b) Al2F3
c) CaO
d) NaO2
What is the correct name for the compound V2O5? (Remember, for transition metals . . .)
a) divanadium pentoxide
b) vanadic oxide
c) vanadium(V) oxide
d) vanadium(V) pentoxide
What is the correct name for the compound NaCl3?
a) sodium chlorate
b) sodium chlorite
c) sodium trichloride
d) there is no such compound
What is the correct name for the compound CuBr2?
a) copper(I) bromide(II)
b) copper(II) bromide
c) copper dibromide
d) copper(II) bromite
What is the correct name for the compound Na2O
a) sodium oxide
b) disodium oxide
c) sodium(I) oxide
d) sodium peroxide
Which one of the following is a correct formula for mercury(I) phosphate?
a) Hg3PO4
b) HgPO3
c) Hg2PO3
d) (Hg2)3(PO4)2
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