Deck 8: Chemical Nomenclature

Question 1

Which of the following is not a binary compound?

A) H₂CO
B) P₂O₃
C) PH₃
D) HBr

Answer 1

H₂CO

Question 2

Which of the following is a ternary compound?

A) H₂CO
B) K₂O
C) NaHCO₃
D) Na₃P

Answer 2

H₂CO

Question 3

Ionic compounds often contain ________.

A) metallic elements only
B) nonmetallic elements only
C) both metallic and nonmetallic elements
D) neither metallic nor nonmetallic elements

Answer 3

both metallic and nonmetallic elements

Question 4

Which of the following pairs will form ionic bonds?

A) N, C
B) Na, Ca
C) Cs, Br
D) S, Cl

Question 5

Which compound contains only covalent bonds?

A) NH₄OH
B) Ca₃(PO₄)₂
C) NO₂
D) NaCl

Question 6

Which of the following is a ternary compound?

A) CsCl
B) SO₂
C) NH₃
D) HIO

Question 7

Elements in group VA of the periodic table ________.

A) form ions with a charge of 4+
B) are type II metals
C) form ions with a charge of 3-
D) form ions with a charge of 2-

Question 8

Which of the following ionic compounds is named without using a Roman numeral?

A) AuCl₃
B) CuS
C) NuO
D) Ca(OH)₂

Question 9

Which of the following is not a binary compound?

A) potassium carbonate
B) iron(III) chloride
C) phosphorus pentachloride
D) calcium phosphide

Question 10

Which compound is a variable charge binary ionic compound?

A) MgBr₂
B) Cr₂O₃
C) LiCl
D) K₂O

Question 11

Which of the following is a variable-charge metal?

A) Zn
B) Ca
C) Ni
D) Cs

Question 12

In which of the following sequences of fixed-charge ions are all of the ionic charges correct?

A) S^2-, Na⁺, Zn⁺
B) F^-, N^3-, Fr^2-
C) O^2-, N^3-, Cl^2-
D) Li⁺, S^2-, Ba²⁺

Question 13

The correct name for the ionic compound KClO₃ is ________.

A) potassium chlorine oxide
B) potassium chloride
C) potassium chlorite
D) potassium chlorate

Question 14

The correct name for the ionic compound SnS₂ is ________.

A) sodium sulfide
B) selenium sulfide
C) stannous sulfide
D) tin (IV) sulfide

Question 15

Which of the following names is paired with an incorrect formula?

A) Copper(II) phosphide - Cu₃P₂
B) Lithium bromide - LiBr
C) Iron(III) chloride - FeCl₃
D) Copper(II) oxide - Cu₂O

Question 16

The Roman numeral (II) in the name nickel (II) fluoride indicates that ________.

A) nickel atoms present are ions with a 2+ charge
B) there are two times as many nickel atoms present as oxygen atoms
C) there are two nickel atoms per formula unit
D) there are two oxygen atoms per formula unit

Question 17

Which of the following compounds contains 4 atoms per formula unit?

A) aluminum nitride
B) lead(II) iodide
C) magnesium bromide
D) nickel(III) chloride

Question 18

Which of the following compounds contains the least number of ions per formula unit?

A) potassium iodide
B) potassium carbonate
C) sodium sulfate
D) aluminum hydroxide

Question 19

The formula of beryllium azide is Be(N₃)₂ (azide is a polyatomic ion). What is the formula of scandium (III)azide?

A) Sc(N₃)₃
B) Sc(N₃)₂
C) ScN₃
D) Sc₃N₃

Question 20

For the compound CrO₃, what is the correct Roman numeral in the name, chromium (___) oxide?

A) II
B) III
C) IV
D) VI

Question 21

What is the correct formula that forms when calcium and sulfur react?

A) CaS
B) CaSO₄
C) CaSO₃
D) Ca₃S₂

Question 22

Which of the following ions is incorrectly named?

A) Cr⁶⁺   chromium(VI) ion
B) Se^2-   selenide ion
C) Cs⁺   cesium(I) ion
D) SO₃^2-   sulfite ion

Question 23

Which of the following ions is incorrectly named?

A) P^3-   phosphide ion
B) Se^2-   selenide ion
C) Ag⁺   silver ion
D) NO₂^-   nitrate ion

Question 24

What is the chemical name of Pb₃(PO₄)₄?

A) lead (III) phosphate
B) lead (IV) phosphate
C) lead phosphate
D) lead triphosphide

Question 25

Which of the following ions is incorrectly named?

A) Cr⁶⁺   chromium(VI) ion
B) Se^2-   selenide ion
C) Mg²⁺   magnesium ion
D) C₂H₃O₂^-   oxalate ion

Question 26

The correct name for CaCO₃ is ________.

A) calcium carbon trioxide
B) calcium monocarbon trioxide
C) calcium carbonate
D) calcium monocarbonate

Question 27

Which one of the following polyatomic ions does not contain oxygen?

A) hydroxide
B) ammonium
C) nitrate
D) sulfate

Question 28

Which one of the following polyatomic ions carries a 1+ charge?

A) nitrite
B) hydroxide
C) carbonate
D) ammonium

Question 29

Which of the following atoms can form an ion that is the same charge as the ammonium ion?

A) K
B) Pb
C) Ca
D) O

Question 30

Which one of the following compounds does not have a formula which contains parentheses?

A) copper(II) nitrate
B) sodium hydroxide
C) ferrous nitrate
D) ammonium sulfate

Question 31

What is the correct formula for manganese (III) cyanide?

A) Mn(CN)₃
B) MnSCN
C) Mn(SCN)₃
D) MnCN

Question 32

What is the correct name for the following compound, (NH₄)₃PO₄?

A) triammonium phosphate
B) nitrogen tetrahydride phosphorous
C) ammonium phosphate
D) ammonium phosphide

Question 33

Which of the following is a molecular compound that contains 5 atoms per molecule?

A) silicon tetrachloride
B) sulfur dioxide
C) dinitrogen pentoxide
D) carbon dioxide

Question 34

Almost all binary molecular compounds have names which end in the suffix ________.

A) -ate
B) -ide
C) -ous
D) -ic

Question 35

Which of the following compounds has a name which contains the prefix di-?

A) K₃N
B) SO₂
C) Al(NO₃)₃
D) NBr₃

Question 36

Which of the following compounds has a name that is an exception to the rule for naming molecular compounds?

A) P₄O₁₀
B) PF₃
C) NH₃
D) S₂Cl₂

Question 37

What compound has the -ite suffix in its name?

A) KNO₃
B) CsCl
C) Cu₃(PO₄)₂
D) Li₂SO₃

Question 38

What would be the name of the compound, Na₂(XO₃) if X is a nonmetal on period 3 that forms a monoatomic anion of -2?

A) sodium sulfate
B) sodium sulfite
C) sodium nitrate
D) sodium phosphate

Question 39

The chemical formula for heptasulfur dioxide is ________.

A) O₂S
B) S₇O₂
C) SO₂
D) S₂O₇

Question 40

The correct name for the pure, gaseous HI is ________.

A) iodate
B) hydrogen iodide
C) hydrogen monoiodide
D) hydroiodic acid

Question 41

Which of the following acids is named using the prefix hydro-?

A) HBr
B) HNO₂
C) HC₂H₃O₂
D) H₂SO₄

Question 42

Which of the following is not an oxyacid?

A) hypochlorous acid
B) nitrous acid
C) hydrobromic acid
D) sulfuric acid

Question 43

An oxyacid containing two fewer oxygen atoms than the "-ic" acid would be the ________.

A) .....ous acid
B) per......ic acid
C) hypo......ous acid
D) per.....ous acid

Question 44

What is the correct formula of iodic acid?

A) HIO
B) HIO₂
C) HIO₃
D) HIO₄

Question 45

What is the correct name for the acid HBrO?

A) bromous acid
B) bromic acid
C) perbromic acid
D) hypobromous acid

Question 46

Which of the following acids is incorrectly named?

A) HCl chloric acid
B) HBrO hypobromous acid
C) H₃PO₄ phosphoric acid
D) HNO₂ nitrous acid

Question 47

Which of following is an oxyacid?

A) hydrobromic acid
B) hydrosulfuric acid
C) sulfuric acid
D) hydrocyanic acid

Question 48

Which of the following compounds is not an acid?

A) H₂S
B) HCN
C) HC₂H₃O₂
D) PH₃

Question 49

Which of the following is an acid?

A) Ca(C₂H₃O₂)₂
B) MgSO₄
C) NH₄Cl
D) H₃PO₄

Question 50

Which of the following acids is incorrectly named?

A) HI hydrogen iodide
B) HClO₂ chlorous acid
C) H₂SO₃ sulfurous acid
D) HNO₃ nitric acid

Question 51

Which of the following compounds contains both ionic and molecular bonds?

A) sodium fluoride
B) oxygen difluoride
C) aluminum chloride
D) barium acetate

Question 52

Indicate whether each of the following chemical formulas represents a

-HC₂H₃O₂ ______________________________

A) molecular compound
B) ionic compound

Question 53

Indicate whether each of the following chemical formulas represents a

-Al₂(SO₄)₃ ______________________________

A) molecular compound
B) ionic compound

Question 54

Indicate whether each of the following chemical formulas represents a

-Ti₂O₃ ______________________________

A) molecular compound
B) ionic compound

Question 55

Indicate whether each of the following chemical formulas represents a

-N₄S₄ ______________________________

A) molecular compound
B) ionic compound

Question 56

Indicate whether each of the following chemical formulas represents a

-HCN ______________________________

A) molecular compound
B) ionic compound

Question 57

Circle the letter of the correct response in each of the choices.

-A binary ionic compound

A) NO₂
B) KHCO₃
C) LiCl
D) CO₂

Question 58

Circle the letter of the correct response in each of the choices.

-Contains 3- ion

A) Cu₂O
B) AlN
C) BaS
D) PbO₂

Question 59

Circle the letter of the correct response in each of the choices.

-Contains no ions

A) Cd S
B) H₂
C) CuO
D) Hg₂Cl₂

Question 60

Circle the letter of the correct response in each of the choices.

-Name will not contain a Roman numeral

A) ZnCl₂
B) CuCl₂
C) CoCl₃
D) TiCl₄

Question 61

Circle the letter of the correct response in each of the choices.

-Name contains the suffix -ous

A) HNO₃
B) HF
C) HIO₃
D) HClO₂

Question 62

Circle the letter of the correct response in each of the choices.

-Name contains the prefix di-

A) H₂S
B) Li₂O
C) N₂O
D) H₂O

Question 63

Circle the letter of the correct response in each of the choices.

-Formula contains parentheses

A) gold(I) sulfate
B) silver nitrate
C) aluminum phosphate
D) beryllium hydroxide

Question 64

Circle the letter of the correct response in each of the choices.

-Contains both monoatomic and polyatomic ions

A) ammonium cyanide
B) lithium nitride
C) magnesium nitrate
D) sulfur trioxide

Question 65

Circle the letter of the correct response in each of the choices.

-Contains an equal number of positive and negative ions

A) barium chloride
B) lithium sulfate
C) calcium sulfide
D) potassium carbonate

Question 66

For each of the compounds on the left choose the correct name for it from the choices on the right.

-________ Mg₃N₂

A) trimagnesium dinitride
B) magnesium nitride
C) dimagnesium trinitride
D) magnesium (II) nitride

Question 67

For each of the compounds on the left choose the correct name for it from the choices on the right.

-________ N₂O₅

A) dinitrogen pentoxide
B) nitrogen phosphide
C) nitrogen (V) oxide
D) pentanitrogen dioxide

Question 68

For each of the compounds on the left choose the correct name for it from the choices on the right.

-________ CaSO₄

A) calcium sulfur tetroxide
B) calcium tetroxysulfide
C) calcium sulfide
D) calcium sulfate

Question 69

For each of the compounds on the left choose the correct name for it from the choices on the right.

-________ Cr(OH)₃

A) chromium monoxide hydride
B) chromium hydroxide
C) chromium (II) hydroxide
D) chromium (III) hydroxide

Question 70

For each of the compounds on the left indicate the number of atoms present in the formula unit. The choices on the right may be used more than once.

-________ carbon tetrachloride

A) contains less than 5 atoms
B) contains 5 atoms
C) contains 6 atoms
D) contains more than 6 atoms

Question 71

For each of the compounds on the left indicate the number of atoms present in the formula unit. The choices on the right may be used more than once.

-________ sodium bicarbonate

A) contains less than 5 atoms
B) contains 5 atoms
C) contains 6 atoms
D) contains more than 6 atoms

Question 72

For each of the compounds on the left indicate the number of atoms present in the formula unit. The choices on the right may be used more than once.

-________ chromium (VI) oxide

A) contains less than 5 atoms
B) contains 5 atoms
C) contains 6 atoms
D) contains more than 6 atoms

Question 73

For each of the compounds on the left indicate the number of atoms present in the formula unit. The choices on the right may be used more than once.

-________ ammonium phosphate

A) contains less than 5 atoms
B) contains 5 atoms
C) contains 6 atoms
D) contains more than 6 atoms

Question 74

Supply the missing formula or name in each of the following pairs.
-HNO₃ ____________________

Question 75

Supply the missing formula or name in each of the following pairs.
-________ hydrogen chloride

Question 76

Supply the missing formula or name in each of the following pairs.
-HClO₄ ____________________

Question 77

Supply the missing formula or name in each of the following pairs.
-________ hypobromous acid

Question 78

Write chemical formulas for the acids that produce each of the following ions
-C₂O₄²⁻ ____________________

Question 79

Write chemical formulas for the acids that produce each of the following ions
-PO₃^{3− ____________________}

Question 80

Write chemical formulas for the acids that produce each of the following ions
-Br⁻ ____________________