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REVIEW OF IONIC NOMENCLATURE Answer Key

1) Give the formula and charge of the following ions:

(a) bromide ion: Br– (b) sodium ion: Na+ (c) sulfide ion: S2– (d) copper(II) ion: Cu2+ (e) oxide ion: O2– (f) iron(III) ion: Fe3+ (g) chloride ion: Cl– (h) zinc ion: Zn2+ (i) nitride ion: N3– (j) aluminum ion: Al3+ (k) fluoride ion: F– (l) silver ion: Ag+ (m) iodide ion: I– (n) hydrogen ion: H+ (o) hydride ion: H– (p) lead(IV) ion: Pb4+ (q) phosphide ion: P3– (r) mercury(I) ion: Hg2

2+ (s) tin(IV) ion: Sn4+ (t) mercury(II) ion: Hg2+ (u) magnesium ion: Mg2+ 2) Give the formula and charge of each polyatomic ion:

(a) ammonium ion: NH4+ (b) hydroxide ion: OH– (c) carbonate ion: CO3

2– (d) nitrate ion: NO3

– (e) peroxide ion: O22– (f) phosphate ion: PO4

3– (g) sulfate ion: SO4

2– (h) acetate ion: C2H3O2– (i) chlorate ion: ClO3

– (j) perchlorate ion: ClO4

– (k) chlorite ion: ClO2– (l) hypochlorite ion: ClO–

(m) cyanide ion: CN– (n) bicarbonate ion: HCO3

– (o) permanganate ion: MnO4–

3) Write the formula of each ionic compound: (a) strontium chloride: SrCl2 (b) aluminum oxide: Al2O3 (c) ammonium sulfide: (NH4)2S (d) iron(III) carbonate: Fe2(CO3)3 (e) lithium hydride: LiH (f) calcium acetate: Ca(C2H3O2)2 (g) copper(II) hydroxide: Cu(OH)2 (h) nickel(II) chlorate: Ni(ClO3)2 (i) tin(IV) sulfate: Sn(SO4)2 (j) sodium peroxide: Na2O2 (k) zinc bromide: ZnBr2 (l) lead(II) nitrate: Pb(NO3)2 (m) mercury(I) iodide: Hg2I2 (n) potassium carbonate: K2CO3 (o) calcium phosphate: Ca3(PO4)2 (p) uranium(VI) fluoride: UF6 (q) titanium(IV) nitride: Ti3N4 (r) silver bisulfate: AgHSO4 (s) lithium perchlorate: LiClO4 (t) chromium(III) oxide: Cr2O3 (u) tungsten(IV) nitride: W3N4 (v) gold(III) phosphide: AuP (w) cobalt(III) cyanide: Co(CN)3 (x) bismuth(III) nitrite: Bi(NO2)3 (y) platinum(IV) acetate: Pt(C2H3O2)4 (z) cesium permanganate: CsMnO4

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4) Write the name of each ionic compound: (a) CdSO3: cadmium sulfite (b) NaI: sodium iodide

(c) NaHCO3: sodium bicarbonate (d) Mg(NO2)2: magnesium nitrite

(e) Cs2CO3: cesium carbonate (f) K3PO4: potassium phosphate

(g) Rb2S: rubidium sulfide (h) V(BrO4)3: vanadium(III) perbromate

(i) NH4NO3: ammonium nitrate (j) LiH: lithium hydride

(k) Ba3P2: barium phosphide (l) Fe2O3: iron(III) oxide

(m) SbI3: antimony(III) iodide (n) Sr(OH)2: strontium hydroxide 5) Give the formula of each covalent compound: (a) sulfur trioxide: SO3 (b) carbon tetrachloride: CCl4

(c) dinitrogen monoxide: N2O (d) phosphorous pentachloride: PCl5

(e) diarsenic trioxide: As2O3 (f) sulfur hexabromide: SBr6

(g) dichlorine monoxide: Cl2O (h) carbon disulfide: CS2 6) Give the formula of each acid: (a) chloric acid: HClO3 (b) nitric acid: HNO3

(c) hydrochloric acid: HCl (d) sulfuric acid: H2SO4

(e) hypochlorous acid: HOCl (f) phosphoric acid: H3PO4

(g) hydrofluoric acid: HF (h) acetic acid: HC2H3O2 7) Give the name of each covalent compound:

(a) N2O4: dinitrogen tetroxide (b) SiO2: silicon dioxide

(c) OF2: oxygen difluoride (d) IBr3: iodine tribromide

(e) CF4: carbon tetrafluoride (f) P2O5: diphosphorous pentoxide 8) Give the name of each acid:

(a) HBr: hydrobromic acid (b) HClO4: perchloric acid

(c) CH3COOH: acetic acid (d) H2SO3: sulfurous acid

(e) HI: hydroiodic acid (f) HOBr: hypobromous acid

Naming Chemical Compounds - Answers Name the following ionic compounds: 1) NaBr sodium bromide 2) CaO calcium oxide 3) Li2S lithium sulfide 4) MgBr2 magnesium bromide 5) Be(OH)2 beryllium hydroxide Write the formulas for the following ionic compounds: 6) potassium iodide KI 7) magnesium oxide MgO 8) aluminum chloride AlCl3 9) sodium nitrate NaNO3 10) calcium carbonate CaCO3 11) lithium sulfate Li2SO4 12) beryllium phosphide Be3P2 13) magnesium hydroxide Mg(OH)2 14) sodium phosphate Na3PO4 15) aluminum carbonate Al2(CO3)3 16) calcium chloride CaCl2 17) sodium cyanide NaCN 18) aluminum oxide Al2O3 19) magnesium acetate Mg(C2H3O2)2 20) ammonium chloride NH4Cl

Write the names of the following covalent compounds: 21) SO3 sulfur trioxide 22) N2S dinitrogen sulfide 23) PH3 phosphorus trihydride 24) BF3 boron trifluoride 25) P2Br4 diphosphorus tetrabromide 26) CO carbon monoxide 27) SiO2 silicon dioxide 28) SF6 sulfur hexafluoride 29) NH3 ammonia 30) NO2 nitrogen dioxide Write the formulas of the following covalent compounds: 31) nitrogen trichloride NCl3 32) boron carbide BC 33) dinitrogen trioxide N2O3 34) phosphorus pentafluoride PF5 35) methane CH4 36) sulfur dibromide SBr2 37) diboron tetrahydride B2H4 38) oxygen difluoride OF2 39) carbon disulfide CS2 40) nitrogen monoxide NO