Practice Quiz On Nomenclature

33 Questions | By Pearsonk | Updated: Mar 22, 2022 | Attempts: 4875

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Needed SKILLS: Identifying types of chemical compounds, applying the rules to name or write the correct name or formula.

Questions and Answers

1.

Which of the following formulas represents a molecular compound?
- A.
  
  SO2
- B.
  
  ZnO
- C.
  
  BeF2
- D.
  
  Xe
2.

Which of the following shows both the correct formula and correct name of an acid?
- A.
  
  HClO2, chloric acid
- B.
  
  HNO2, hydronitrous acid
- C.
  
  H3PO4, phosphoric acid
- D.
  
  HI, iodic acid
3.

Which of the following shows a prefix used in naming binary molecular compounds with its corresponding number?
- A.
  
  Hexa- , 8
- B.
  
  Deca- , 7
- C.
  
  Octa- , 4
- D.
  
  Nona- , 9
4.

Suppose you encounter a chemical formula with H as the cation. What do you know about this compound immediately?
- A.
  
  It is probably an acid
- B.
  
  It has a +1 charge
- C.
  
  It is an ionic compound
- D.
  
  It is a base
5.

Which of the following is not a cation?
- A.
  
  Ca 2+
- B.
  
  Sulfate
- C.
  
  Iron (III) ion
- D.
  
  Mercury (I) ion
6.

Which set of the chemical name and chemical formula for the compound is correct?
- A.
  
  Iron (III) phosphate, FePO4
- B.
  
  Ammonium sulfite, (NH4)2S
- C.
  
  Lithium carbonate, LiCO3
- D.
  
  Magnesium dichromate, MgCrO4
7.

What is the correct name for CoCl2
- A.
  
  Cobalt (II) chlorate
- B.
  
  Cobalt (I) chloride
- C.
  
  Cobalt (I) chlorate
- D.
  
  Cobalt (II) chloride
8.

When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a
- A.
  
  Superscript after the name
- B.
  
  Roman Numeral following the anion
- C.
  
  Prefix
- D.
  
  Roman Numerals following the cation
9.

Which of the following correctly represents an ion pair and the ionic compound the ions would form?
- A.
  
  Na+, Cl- ; NaCl2
- B.
  
  Ca +2, F- ; CaF2
- C.
  
  Ba +2, O -2 ; Ba2O2
- D.
  
  Pb +4 , O -2 ; Pb2O4
10.

What type of ions have names ending in -ide?
- A.
  
  Only metal ions
- B.
  
  Only cations
- C.
  
  Only gaseous ions
- D.
  
  Only anions
11.

Which element, when combined with fluorine, would most likely form an ionic compound?
- A.
  
  Phosphorus
- B.
  
  Lithium
- C.
  
  Carbon
- D.
  
  Chlorine
12.

Which of the following compounds contains the lead (II) ion?
- A.
  
  Pb2O
- B.
  
  PbO
- C.
  
  Pb2S
- D.
  
  PbCl4
13.

Which of the following is true about the composition of ionic compounds?
- A.
  
  They are composed of anions and cations
- B.
  
  They are formed from two or more nonmetallic elements
- C.
  
  They are composed of anions only
- D.
  
  They are composed of cations only
14.

What is the correct formula for barium chlorate?
- A.
  
  BaCl2
- B.
  
  Ba(ClO2)2
- C.
  
  Ba(ClO3)2
- D.
  
  Ba(ClO)2
15.

Which of the following shows correctly an ion pair and ionic compound the two ions form?
- A.
  
  Fe +3 , O -2 ; Fe2O3
- B.
  
  Cr +3 , I- ; CrI
- C.
  
  Sn +4 , N -3 ; Sn4N3
- D.
  
  Cu +2 , O -2 ; Cu2O2
16.

Which set of chemical name and formula for the same compound is correct?
- A.
  
  Tin(IV)bromide ; SnBr4
- B.
  
  Iron(II)oxide ; Fe2O3
- C.
  
  Aluminum fluorate ; AlF3
- D.
  
  Potassium chloride ; K2Cl2
17.

What is the correct name for Sn3(PO4)2 ?
- A.
  
  Tin (V) phosphate
- B.
  
  Tin (III) phosphate
- C.
  
  Tritin diphosphate
- D.
  
  Tin (II )phosphate
18.

Aluminum is a group 13 metal. Which ion does Al typically form?
- A.
  
  Al -3
- B.
  
  Al +5
- C.
  
  Al +3
- D.
  
  Al -5
19.

Which of the following formulas represents an ionic compound?
- A.
  
  CS2
- B.
  
  BaI2
- C.
  
  PCl3
- D.
  
  N2O4
20.

Molecular compounds are usually
- A.
  
  Composed of two or more nonmetals
- B.
  
  Composed of positive and negative ions
- C.
  
  Composed of metal and nonmetal
- D.
  
  Composed of two or more transition elements
21.

How are chemical formulas of binary ionic compounds generally written?
- A.
  
  Anion on the left, cation on the right
- B.
  
  Roman numeral first, then anion, then cation
- C.
  
  Subscripts first, then ions
- D.
  
  Cation on the left, anion on the right
22.

Which of the following correctly provides the names and formulas of polyatomic ions?
- A.
  
  Nitrite: NO - ; nitrate: NO -2
- B.
  
  Carbonate: HCO -3 ; bicarbonate: CO3 -2
- C.
  
  Sulfite: S -2 ; sulfate: SO3 -
- D.
  
  Chromate: CrO4 -2 ; dichromate: Cr2O7 -2
23.

What is the correct name for the chemical symbol N -3?
24.

What is the formula for sulfurous acid?
25.

What is the formula for hydrosulfuric acid?