Naming Compounds Handout Key

Naming Compounds Handout Key p. 2 Name each of the following monatomic cations: Li+ = lithium ion Ba+2 = barium ion Ag+ = silver ion Cu+2 = copper (II) ion = aluminum ion +3 Al Mg = magnesium ion +2 Mn+2 = manganese (II) ion Sn+4 = tin (IV) ion H+ = hydrogen ion Co+3 = cobalt (III) ion Fe +3 = iron (III) ion Na = sodium ion + K+ = potassium ion Ca+2 = calcium ion Ti+4 = titanium (IV) ion Ni+2 = nickel (II) ion p. 3 Name each of the following monatomic anions: F– = fluoride ion Cl– = Br = bromide ion –2 sulfide ion –3 phosphide ion – I =iodide ion – chloride ion S = P = p. 4 Name each of the following polyatomic ions: CN = cyanide ion CrO4 = chromate ion SO4–2 = sulfate ion NO3– = nitrate ion OH– = hydroxide ion PO4–3 = phosphate ion NH4 = ammonium ion C2H3O2 = acetate ion – –2 + – Combine each pair of ions to get the formula of the compound they form: NH4+ + F– ⇒ NH4F Li+ + CN– ⇒ LiCN Sr+2 + CO3–2 ⇒ SrCO3 Al+3 + PO4–3 ⇒ AlPO4 Na + C2H3O2 ⇒ NaC2H3O2 K + OH Ni+2 + CrO4–2 ⇒ NiCrO4 Fe+3 + N–3 ⇒ FeN Cu+2 + SO4–2 ⇒ CuSO4 Co+3 + P–3 ⇒ CoP + – + – ⇒ KOH page 1 of 4 p. 5 Combine each pair of ions to get the formula of the compound they form: Cu+ O–2 Sn+4 Cu2O Li+ SO4–2 K+ Sn(SO4)2 CO3–2 Fe+3 Li2CO3 S–2 P–3 K3P Ni+2 Fe2S3 PO4–3 Ni3(PO4)2 p. 6 Combine each pair of ions to get the chemical formula, then name the compound: Individual ions Mg+2 F– Ni+2 S–2 +2 Ca Al+3 Co+2 + K Fe+3 Compound Formula _____MgF2______ – Br P–3 NO2– –2 CrO4 O–2 Compound Name ______magnesium fluoride_____ NiS nickel (II) sulfide CaBr2 calcium bromide AlP aluminum phosphide Co(NO2)2 cobalt (II) nitrite K2CrO4 potassium chromate Fe2O3 iron (III) oxide p. 8 Give the name for each compound given its chemical formula: Formula Individual Ions +2 – MgCl2 Mg Cl LiOH Li+ OH– ZnCO3 K2S FePO4 SnO2 CuBr2 Zn 2+ CO3 lithium hydroxide 2– zinc carbonate potassium sulfide PO43– iron (III) phosphate Sn4+ O2– tin (IV) oxide 2+ – S Fe3+ Cu Br + silver nitride CN– manganese (II) cyanide C2H3O2– silver acetate Ag Mn(CN)2 Mn2+ Ag+ copper (II) bromide 3– Ag3N AgC2H3O2 magnesium chloride 2– K + Name of Compound N page 2 of 4 p. 9 Give the name for each compound given its chemical formula: Name of Compound individual ions Formula lithium cyanide Li+ CN– LiCN Fe+3 iron (III) sulfate SO4–2 Fe2(SO4)3 I– CaI2 Cr2O7–2 Sn(Cr2O7)2 NO2– AgNO2 C2 H 3 O 2 – Cu(C2H3O2)2 CO3–2 ZnCO3 P–3 Pb3P2 Ca+2 calcium iodide Sn+4 tin (IV) dichromate Ag+ silver nitrite Cu+2 copper (II) acetate Zn+2 zinc carbonate Pb+2 lead (II) phosphide K+ potassium sulfite Co+2 cobalt (II) nitride Ni+2 nickel (II) permanganate SO3–2 K2SO3 N–3 Co3N2 MnO4– Ni(MnO4)2 p. 10 Name the following molecular compounds: SO3 = sulfur trioxide SiBr4 = silicon tetrabromide XeF6 = xenon hexafluoride ClF3 = chlorine trifluoride N2O4 = dinitrogen tetraoxide Cl2O7= dichlorine heptaoxide PCl5 = phosphorus pentachloride P4O10 = tetraphosphorus decaoxide p. 11 Give the formulas for each of the following molecular compounds: nitrogen trichloride NCl3 dibromine heptaoxide Br2O 7 dinitrogen pentasulfide N2 S 5 page 3 of 4 p. 11 Name each of the following ions, and determine the formula and name of the corresponding acid that forms from the ion. Name of Ion Formula of Acid Name of Acid CO3 –2 = carbonate ion ⇒ H2CO3 (aq) = carbonic acid Cl – = chloride ion ⇒ HCl (aq) = hydrochloric acid SO3 –2 = sulfite ion ⇒ H2SO3 (aq) = sulfurous acid PO4 –3 = phosphate ion ⇒ H3PO4 (aq) = phosphoric acid – NO3 = nitrate ion ⇒ HNO3 (aq) = nitric acid p. 12 Name each of the following acids: HBr (aq)= hydrobromic acid H2CrO4 (aq)= chromic acid H2SO4 (aq)= sulfuric acid HC2H3O2 (aq)= acetic acid HF (aq)= hydrofluoric acid H2SO4 (aq)= sulfuric acid Give the formula for each of the following acids: [Don’t forget to indicate (aq)!] phosphoric acid = H3PO4 (aq) nitrous acid = HNO2 (aq) hydroiodic acid = HI (aq) carbonic acid = H2CO3 (aq) sulfurous acid = H2SO3 (aq) nitric acid = HNO3 (aq) PUTTING IT ALL TOGETHER: Name each of the following compounds: BaCl2 = barium chloride NiBr2= nickel (II) bromide HNO3(aq) = nitric acid SO2= sulfur dioxide AgF = silver fluoride PbS2= lead (IV) sulfide NiSO3= nickel (II) sulfite PF5= phosphorus pentafluoride K2SO4= potassium sulfate Cr(C2H3O2)3 = chromium (III) acetate FeP= iron (III) phosphide Al2(CO3)3 = aluminum carbonate NiSO4 = nickel (II) sulfate Zn(OH)2 = zinc hydroxide KMnO4 = potassium permanganate Sn(CN)2 = tin (II) cyanide page 4 of 4