Deck 6: Chemical Nomenclature

Question 1

Examine the model of a form of naturally occurring sulfur. How should the formula for this form of sulfur be written?

A)S
B)S₄
C)S₈
D)S₁₆
E)S₂

Answer 1

S₈

Question 2

Which of the following is the common name for the compound H₂O?

A)Dihydrogen oxide
B)Dihydrogen monoxide
C)Hydrogen hydroxide
D)Monohydrogen hydroxide
E)None of the choices is correct

Answer 2

None of the choices is correct

Question 3

For each of the following names,choose the correct formula.
I)Oxide ion
Ii)Silver ion
Iii)Manganese(II)ion

Answer 3

B

Question 4

For each of the following formulas,choose the correct name.
(i)H₂PO₄^-
(ii)HSO₃^-
(iii)HCO₃^-

A)(i)dihydrogen phosphate ion (ii)hydrogen sulfite ion (iii)hydrogen carbonate ion
B)(i)bihydrogen phosphate ion (ii)hydrogen sulfite ion (iii)hydrogen carbonate ion
C)(i)dihydrogen phosphate ion (ii)hydrogen sulfate ion (iii)hydrogen carbonate ion
D)(i)bihydrogen phosphate ion (ii)hydrogen sulfate ion (iii)hydrogen carbonate ion
E)(i)dihydrogen phosphate ion (ii)hydrogen sulfate ion (iii)hydrocarbonic ion

Question 5

Examine the name given on the following laboratory reagent container.The formula has been washed off the container. What formula should be placed on the container (?)and what is the formula of the anion formed by this acid's total ionization in water,respectively?

A)H₂SO₃,SO₃^2-
B)H₂S,S^2-
C)H₂SO₄,SO₄^2-
D)H₂SO₄,HSO₄^-
E)H₂SO₂,SO₂^2-

Question 6

Which of the following statements is false?

A)The first word in the name of a binary molecular compound is the name of the element appearing first in the chemical formula,including a prefix to indicate the number of atoms of that element in the molecule
B)The same two nonmetals often form more than one binary compound
C)If an element has no prefix in the name of a binary molecular compound,you may assume that there is only one atom of that element in the molecule
D)A compound whose formula ends in O₅ is a pentaoxide rather than a pentoxide
E)The numerical prefix used in chemical names for the number 2 is di-.

Question 7

For each of the following names,choose the correct formula:
I)Carbon disulfide
Ii)Dinitrogen pentoxide
Iii)Boron trifluoride
Iv)Silicon tetrabromide
V)Disulfur dichloride

Question 8

Which of the following name-formula pairs is/are incorrect?
(i)Bromous acid,HBrO₂
(ii)Nitrate ion,NO₃^-
(iii)Periodate ion,IO₃^-
(iv)Hydrofluoric acid,HFl
(v)Telluric acid,H₂TeO₃ (tellurium,Z = 52)

A)i and ii
B)iii and iv
C)iv and v
D)i,ii,and iii
E)iii,iv,and v

Question 9

What are the formulas of water and ammonia,in that order?

A)H₂O,NH₄
B)H₂O,NH₄⁺
C)H₂O,NH₃
D)HO₂,NH₄
E)HO₂,NH₄⁺

Question 10

Which of the following name-formula pairs is/are correct?
(i)Phosphoric acid / H₃PO₃
(ii)Sulfate ion / SO₃^2-
(iii)Bromate ion / BrO₃^-
(iv)Hydrochloric acid / HCl
(v)Carbonate ion / CO₃^-

A)i and ii
B)iii and iv
C)ii,iii,and iv
D)i,ii,iii,and iv
E)all are correct

Question 11

For each of the following formulas,choose the correct name.
I)Pb²⁺
Ii)S^2-
Iii)Ni²⁺

Question 12

What are the names for the compounds H₂O and NH₃,in that order?

A)Dihydrogen oxide,nitrogen trihydride
B)Dihydrogen oxide,ammonia
C)Water,nitrogen trihydride
D)Water,ammonia
E)Hydrated oxygen,hydrated nitrogen

Question 13

For each of the following names,choose the correct formula.
I)Silicon tetrafluoride
Ii)Disulfur decafluoride
Iii)Sulfur trioxide
Iv)Diphosphorus pentoxide
V)Dichlorine oxide

Question 14

When nitrogen monoxide in the gas cylinder (1)reacts with air,nitrogen dioxide (2)is formed. What are the formulas,respectively,for these two compounds?

A)1 - N₂O,2 - N₂O₂
B)1 - NO,2 - N₂O
C)1 - NO,2 - NO₂
D)1 - N₂,2 - NO
E)1 - N₂O₂,2 - N₂O₄

Question 15

For each of the following names,choose the correct formula.
I)Hydrogen sulfide ion
Ii)Hydrogen carbonate ion
Iii)Hydrogen phosphate ion

Question 16

For each of the following names,choose the correct formula.
I)Mercury(II)ion
Ii)Nitride ion
Iii)Zinc ion

Question 17

Which of the following is the correct formula for ammonia?

A)NH₃
B)NH₄⁺
C)Hg₂²⁺
D)Hg²⁺
E)None of the choices is correct

Question 18

Which of the following name-formula pairs is/are correct?
(i)Sodium ion / Na⁺
(ii)Tin(II)ion / Ti²⁺
(iii)Silver ion / Ag⁺
(iv)Fluoride ion / Fl^-
(v)Manganese(III)ion / Mn³⁺

A)i only
B)i and ii
C)i,iii,and v
D)i,iii,iv,and v
E)all are correct

Question 19

Which of the following elemental formulas are written as they would appear in a chemical equation?
(i)Kr
(ii)Cl₂
(iii)B
(iv)Be
(v)H₂

A)ii and v
B)i and iii
C)iii and v
D)i,ii,iii,and v
E)i,ii,iii,iv,and v

Question 20

For each of the following names,choose the correct formula.
I)Sulfite ion
Ii)Phosphoric acid
Iii)Hydrosulfuric acid

Question 21

How many water molecules are associated with each formula unit of anhydrous cobalt perchlorate in Co(ClO₄)₂ • 6 H₂O?

A)2
B)3
C)4
D)5
E)6

Question 22

Which of the following name-formula pairs is/are correct?
(i)HSeO₃^-,hydrogen selenite ion (Z = 34)
(ii)HSO₄^-,hydrogen sulfite ion
(iii)H₂PO₄^-,bihydrogen phosphate ion
(iv)HCO₃^-,hydrogen carbonate ion

A)i only
B)iii only
C)iv only
D)i and iii
E)i and iv

Question 23

Which of the following is the correct formula for the ammonium ion?

A)NH₄
B)NH₄⁺
C)NH₃⁺
D)NH₃
E)NH₂^-

Question 24

The solution shown in the flask is being prepared by dissolving Ni(NO₃)₂ in water but the lab assistant has run out of this compound and needs to order more. What name should be looked for in the catalog to order more of this compound?

A)nickel nitride
B)nickel(II)nitrate
C)nickel nitrate
D)nickel nitrite
E)nickel(II)nitrogen oxide

Question 25

What are the names of the compounds Hg₂Cl₂ and Zn₃(PO₄)₂?

A)Mercury(II)chloride,zinc phosphate
B)Mercury(II)chloride,zinc(II)phosphate
C)Mercury(II)chloride,zinc(III)phosphate
D)Mercury(I)chloride,zinc phosphate
E)Mercury(I)chloride,zinc(II)phosphate

Question 26

What are the formulas of the compounds magnesium sulfate and lithium bromite?

A)Mg₃(SO₃)₂,LiBr
B)MgSO₃,LiBrO₃
C)MgSO₃,Li₂BrO₃
D)MgSO₄,LiBrO₂
E)MgSO₄,Li₂BrO₃

Question 27

What are the names of the compounds ZnCO₃ and LiNO₂?

A)Zinc carbonate,lithium nitrite
B)Zinc carbonate,lithium nitrate
C)Zinc(II)carbonate,lithium nitrite
D)Zinc(II)carbonate,lithium nitrate
E)Zinc(II)carbonate,monolithium nitrite

Question 28

What is the name of Cu(NO₃)₂ • 3 H₂O?

A)Copper nitrate terthydrate
B)Copper(II)nitrate trihydrate
C)Copper nitrate terhydrate
D)Copper(II)nitrate terhydrate
E)Copper nitrate trihydrate

Question 29

What are the names for the species OH^- and NH₄⁺?

A)Oxyhydrogen ion,nitroquadrahydrogen ion
B)Oxyhydrogen ion,ammonium ion
C)Oxyhydrogen ion,ammonia ion
D)Hydroxide ion,ammonium ion
E)Hydroxide ion,ammonia ion

Question 30

Which of the following is the correct formula for the hydroxide ion?

A)HO₂^-
B)HO₂⁺
C)OH^-
D)OH⁺
E)H₃O⁺

Question 31

What are the formulas of the ammonium ion and the hydroxide ion,in that order?

A)NH₄⁺,OH^-
B)NH₄⁺,OH⁺
C)NH₄⁺,H₃O⁺
D)NH₃,OH^-
E)NH₃,HO₂^-

Question 32

What are the formulas of the compounds calcium periodate and potassium nitrite?

A)Ca(IO₄)₂,KNO₂
B)Ca(IO₃)₂,KNO₂
C)Ca(IO₄)₂,KNO₃
D)Ca(IO₃)₂,KNO₃
E)CaIO₄,KNO₃

Question 33

Which of the following name-formula pairs is/are incorrect?
(i)HCO₃^- / hydrogen carbonate ion
(ii)HTe^- / hydrogen telluride ion (Z = 52)
(iii)H₂PO₄^- / hydrogen phosphate ion
(iv)HSO₃^- / hydrogen sulfite ion

A)iii only
B)i and ii
C)ii and iii
D)ii and iv
E)ii,iii,and iv

Question 34

What are the formulas of the compounds zinc phosphide and potassium hydrogen phosphate?

A)Zn₂P₃,K₂HPO₄
B)Zn₃P₂,K₂HPO₄
C)Zn₂P₃,KHPO₄
D)Zn₃P₂,KHPO₄
E)Zn₂P₃,KH₂PO₄

Question 35

How many water molecules are associated with one formula unit of manganese(II)chloride in
MnCl₂ • 4 H₂O?

A)1
B)2
C)3
D)4
E)5

Question 36

Which of the following formula-name pairs is/are correct?
(i)GaCl₂,gallium chloride (gallium,Z = 31)
(ii)HS,hydrosulfuric acid
(iii)Pb(NO₂)₂,lead(II)nitrate
(iv)NaClO₂,sodium chlorate
(v)K₃PO₄,potassium phosphate

A)all are correct
B)i,iii,and v
C)v only
D)i,ii,iii,and iv
E)none is correct

Question 37

What are the formulas of the compounds cobalt(III)sulfate and manganese(II)hydroxide?

A)Co₂(SO₄)₃,MgOH₂
B)Co₂(SO₄)₄,Mg(OH)₂
C)Co₂(SO₄)₃,Mn(OH)₂
D)Co₂(SO₄)₂,Mn₂OH
E)CoSO₄,Mn(OH)₂

Question 38

What are the formulas of the compounds aluminum sulfide and ammonium chlorate?

A)AlS,NH₃ClO₄
B)Al₃S₂,NH₃ClO₃
C)Al₂S₃,NH₄ClO₄
D)Al₂S₃,(NH₄)₂ClO₃
E)Al₂S₃,NH₄ClO₃

Question 39

Gypsum or calcium sulfate dihydrate is shown in the image. What would be the formula for the anhydrous form of the compound produced when it is strongly heated?

A)CaSO₄ • 2 H₂O
B)CaSO₄ • H₂O
C)CaS • 2 H₂O
D)CaS
E)CaSO₄

Question 40

What are the names of the compounds Ni(HCO₃)₂ and CrCl₂?

A)nitrogen hydrogen carbonate,chromic chloride
B)nitrogen hydrogen carbonate,copper(II)chloride
C)nickel hydrogen carbonate,copper chloride
D)nickel(II)hydrogen carbonate,chromium(II)chloride
E)nickel hydrogen carbonate,chromium chloride

Question 41

What is the name of Fe(NO₃)₃ • 9 H₂O?

A)Iron(III)nitrate ninhydrate
B)Iron(III)nitrate nonahydrate
C)Iron(III)nitrate heptahydrate
D)Iron(III)nitrite nonahydrate
E)Iron(III)nitrite heptahydrate

Question 42

What is the formula of cobalt(II)nitrate hexahydrate?

A)[Co(NO₃)₂]6(H₂O)
B)[Co₂NO₃]6(H₂O)
C)Co(NO₃)₂ • 6 H₂O
D)Cb(NO₃)₂ • 6 H₂O
E)C₂NO₃ • 6 H₂O

Question 43

What is the formula of barium hydroxide octahydrate?

A)Ba(OH)₂ • 8 H₂O
B)BaOH • 8 H₂O
C)B(OH)₃ • 8 H₂O
D)B(OH)₂ • 8 H₂O
E)B(OH)₃ + 8 H₂O( )