Chapter 6 – Review
6.1 Elements and Their Ions
- Using the periodic table, predict whether the following chlorides are ionic or covalent: KCl, NCl3, ICl, MgCl2, PCl5, and CCl4. Check Answer: [1]
- Using the periodic table, predict whether the following chlorides are ionic or covalent: SiCl4, PCl3, CaCl2, CsCl, CuCl2, and CrCl3.
- For each of the following compounds, state whether it is ionic or covalent. If it is ionic, write the symbols for the ions involved:
- NF3
- BaO,
- (NH4)2CO3
- Sr(H2PO4)2
- IBr
- Na2O
Check Answer: [2]
- For each of the following compounds, state whether it is ionic or covalent, and if it is ionic, write the symbols for the ions involved:
- KClO4
- MgC2H3O2
- H2S
- Ag2S
- N2Cl4
- Co(NO3)2
6.2 Writing Formulas of Ionic Compounds; 6.3 Naming Binary Compounds; and 6.4 Naming Compounds Containing Polyatomic Ions
- For each of the following pairs of ions, write the symbol for the formula of the compound they will form:
- Ca2+, S2−
- NH4+, SO42−
- Al3+, Br−
- Na+, HPO42−
- Mg2+, PO43−
Check Answer: [3]
- For each of the following pairs of ions, write the symbol for the formula of the compound they will form:
- K+, O2−
- NH4+, PO43−
- Al3+, O2−
- Na+, CO32−
- Ba2+, PO43−
- Name the following compounds:
- CsCl
- BaO
- K2S
- BeCl2
- HBr
- AlF3
Check Answer: [4]
- Name the following compounds:
- NaF
- Rb2O
- BCl3
- H2Se
- P4O6
- ICl3
- Write the formulas of the following compounds:
- rubidium bromide
- magnesium selenide
- sodium oxide
- calcium chloride
- hydrogen fluoride
- gallium phosphide
- aluminum bromide
- ammonium sulfate
Check Answer: [5]
- Write the formulas of the following compounds:
- lithium carbonate
- sodium perchlorate
- barium hydroxide
- ammonium carbonate
- sulfuric acid
- calcium acetate
- magnesium phosphate
- sodium sulfite
- Write the formulas of the following compounds:
- chlorine dioxide
- dinitrogen tetraoxide
- potassium phosphide
- silver(I) sulfide
- aluminum nitride
- silicon dioxide
Check Answer: [6]
- Write the formulas of the following compounds:
- barium chloride
- magnesium nitride
- sulfur dioxide
- nitrogen trichloride
- dinitrogen trioxide
- tin(IV) chloride
- Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name these compounds:
- Cr2O3
- FeCl2
- CrO3
- TiCl4
- CoO
- MoS2
Check Answer: [7]
- Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name these compounds:
- NiCO3
- MoO3
- Co(NO3)2
- V2O5
- MnO2
- Fe2O3
- The following ionic compounds are found in common household products. Write the formulas for each compound:
- potassium phosphate
- copper(II) sulfate
- calcium chloride
- titanium dioxide
- ammonium nitrate
- sodium bisulfate (the common name for sodium hydrogen sulfate)
Check Answer: [8]
- The following ionic compounds are found in common household products. Name each of the compounds:
- Ca(H2PO4)2
- FeSO4
- CaCO3
- MgO
- NaNO2
- KI
- What are the IUPAC names of the following compounds?
- manganese dioxide
- mercurous chloride (Hg2Cl2)
- ferric nitrate [Fe(NO3)3]
- titanium tetrachloride
- cupric bromide (CuBr2)
Check Answer: [9]
6.5 Naming Acids
- Give the formula for each acid.
- perchloric acid
- hydriodic acid
Check Answer: [10]
- Give the formula for each acid.
- hydrosulfuric acid
- phosphorous acid
- Name each acid.
- HF(aq)
- HNO3(aq)
- H2C2O4(aq)
Check Answer: [11]
- Name each acid.
- H2SO4(aq)
- H3PO4(aq)
- HCl(aq)
- Name an acid found in food.
Check Answer: [12] - Name some properties that acids have in common.
Attribution & References
Except where otherwise noted, this page is adapted by Adrienne Richards from:
- “Ch. 2 Exercises” In Chemistry 2e (OpenStax) by Paul Flowers, Klaus Theopold, Richard Langley, & William R. Robinson, licensed under CC BY 4.0
- Chapter 3: Ions and Ionic Compounds & Molecules and Molecular Compounds – Acids In Introductory Chemistry: 1st Canadian Edition by David W. Ball and Jessica A. Key, licensed under CC BY-NC-SA 4.0.
Adaptations include extracting the exercises relevant to this chapter from 2.6, 2.7 and Chapter 3.
- Ionic: KCl, MgCl2; Covalent: NCl3, ICl, PCl5, CCl4 ↵
- (a) covalent; (b) ionic, Ba2+, O2−; (c) ionic, NH4+,CO32−; (d) ionic, Sr2+, H2PO4−; (e) covalent; (f) ionic, Na+, O2− ↵
- (a) CaS; (b) (NH4)2SO4; (c) AlBr3; (d) Na2HPO4; (e) Mg3 (PO4)2 ↵
- (a) cesium chloride; (b) barium oxide; (c) potassium sulfide; (d) beryllium chloride; (e) hydrogen bromide; (f) aluminum fluoride ↵
- (a) RbBr; (b) MgSe; (c) Na2O; (d) CaCl2; (e) HF; (f) GaP; (g) AlBr3; (h) (NH4)2SO4 ↵
- (a) ClO2; (b) N2O4; (c) K3P; (d) Ag2S; (e) AlN; (f) SiO2 ↵
- (a) chromium(III) oxide; (b) iron(II) chloride; (c) chromium(VI) oxide; (d) titanium(IV) chloride; (e) cobalt(II) oxide; (f) molybdenum(IV) sulfide ↵
- (a) K3PO4; (b) CuSO4; (c) CaCl2; (d) TiO2; (e) NH4NO3; (f) NaHSO4 ↵
- (a) manganese(IV) oxide; (b) mercury(I) chloride; (c) iron(III) nitrate; (d) titanium(IV) chloride; (e) copper(II) bromide ↵
- (a) HClO4(aq); (b) HI(aq) ↵
- (a) hydrofluoric acid; (b) nitric acid; (c) oxalic acid ↵
- Oxalic acid (answers will vary) ↵