Question 1

Which of the following formulas are correctly written for elements as the exist in nature at room temperature and pressure?
i.O2
ii.Ni
iii.Si8
iv.C
v.Ar2

Accepted Answer

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

Question 2

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+

Accepted Answer

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

Question 3

Which of the following is the correct formula for ammonia?

Accepted Answer

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

Question 4

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

Accepted Answer

A) S 
B) S4 
C) S8 
D) S16 
E) S2 
A) S 
B) S4 
C) S8 
D) S16 
E) S2

Question 5

What is the formula of barium hydroxide octahydrate?

Accepted Answer

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(   ) 
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(   )

Question 6

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

Accepted Answer

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 
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 7

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

Accepted Answer

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

Question 8

Which of the following name-formula pairs is/are correct?
i.Phosphoric acid / H3PO3
ii.Sulfate ion / SO32-
iii.Bromate ion / BrO3-
iv.Hydrochloric acid / HCl
v.Carbonate ion / CO3-

Accepted Answer

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

Question 9

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

Accepted Answer

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 
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 10

What is the name of Cu(NO3)2 • 3 H2O?

Accepted Answer

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

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

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

Accepted Answer

A) HO2- 
B) HO2+ 
C) OH- 
D) OH+ 
E) H3O+ 
A) HO2- 
B) HO2+ 
C) OH- 
D) OH+ 
E) H3O+

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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 
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 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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 
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 19

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

Accepted Answer

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

Question 20

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)

Accepted Answer

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

Exam 6: Chemical Nomenclature

Which of the following formulas are correctly written for elements as the exist in nature at room temperature and pressure? i.O2 ii.Ni iii.Si8 iv.C v.Ar2

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+

Which of the following is the correct formula for ammonia?

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

What is the formula of barium hydroxide octahydrate?

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

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

Which of the following name-formula pairs is/are correct? i.Phosphoric acid / H3PO3 ii.Sulfate ion / SO32- iii.Bromate ion / BrO3- iv.Hydrochloric acid / HCl v.Carbonate ion / CO3-

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

What is the name of Cu(NO3)2 • 3 H2O?

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

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

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

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

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

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

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

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

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

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)

Matter and Energy

Measurement and Chemical Calculations

Introduction to Gases

Atomic Theory: The Nuclear Model of the Atom

Chemical Formula Relationships

Chemical Reactions

Chemical Change

Quantity Relationships in Chemical Reactions

Atomic Theory: The Quantum Model of the Atom

Chemical Bonding

Structure and Shape

The Ideal Gas Law and Its Applications

Gases, Liquids, and Solids

Solutions

Acidbase Proton Transferreactions

Chemical Equilibrium

Oxidationreduction Electron Transferreactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Which of the following formulas are correctly written for elements as the exist in nature at room temperature and pressure? i.O₂ ii.Ni iii.Si₈ iv.C v.Ar₂

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⁺

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

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

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^-

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

What is the name of Cu(NO₃)₂ • 3 H₂O?

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

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

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

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

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

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)