CRHS Academic Chemistry Unit 6 - Nomenclature Practice Problems
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1 Name Period CRHS Academic Chemistry Unit 6 - Nomenclature Practice Problems Due Date Assignment On-Time (100) Late (70) Warm-Up EC Notes, Homework, Exam Reviews and Their KEYS located on CRHS Academic Chemistry Website:
2 Page 2 of 16 WARM-UPS Unit 6 HW #1 #6 #2 #7 #3 #8 #4 #9 #5 #10
3 Unit 6 HW Page 3 of INTRODUCTION TO BONDING 1. Chemical nomenclature is a set of rules used to generate systematic naming for chemical compounds. 2. Fill in the missing information in each of the cells of the table Element Group Number? Metal or Nonmetal? Group Name? Oxidation Number? Gain or Lose Electrons? How Many Electrons Gained or Lost? Rb 1 Metal Alkali Metal +1 Lose 1 Al 13 M +3 Lose 3 O 16 NM -2 Gain 2 I 17 NM Halogens -1 Gain 1 Sr 1 M Alkali Metal +1 Lose 1 Be 2 M Alkali Earth +2 Lose 2 Metalt S 16 NM -2 Gain 2 N 15 NM -3 Gain 3 Br 17 NM Halogens -1 Gain 1 F 17 NM Halogens -1 Gain 1 Ne 18 NM Nobel Gases 0 0 Xe 18 NM Nobel Gases 0 0 Ra 2 M Alkali Earth +2 Lose 2 Metalt P 15 NM -3 Gain 3 Ar 18 NM Nobel Gases 0 0 Na 1 M Alkali Metal +1 Lose 1 Ca 2 M Alkali Earth Metalt Ba 2 M Alkali Earth Metalt +2 Lose 2 +2 Lose 2
4 Page 4 of 16 Unit 6 HW 6.2 NAMING AND WRITING FORMULAS OF IONIC COMPOUNDS - GROUP 1-3 METALS Name the Ionic compound 1. SrCl 2 strontium chloride 2. MgI 2 magnesium iodide 3. Li 2O lithium oxide 4. CaBr 2 calcium bromide 5. MgS magnesium sulfide 6. Al 2O 3 aluminum oxide 7. BCl 3 boron chloride 8. CaO calcium oxide 9. Al 2S 3 aluminum sulfide Fill in the table Chemical Name Elements Charge of Ions Formula Barium nitride Ba & N Ba +2 N 3 Ba 3N 2 Magnesium sulfide Mg & S Mg +2 S -2 MgS Aluminum oxide Al & O Al +3 O -2 Al 2O 3 Sodium iodide Na & I Na +1 I -1 NaI Lithium sulfide Li & S L +1 S -2 Li 2S Radium chloride Ra & Cl Ra +2 Cl -1 RaCl 2 Calcium oxide Ca & O Ca+2 O -2 CaO Potassium nitride K & N K +1 N -3 K 3N 2
5 Unit 6 HW Page 5 of 16
6 Page 6 of 16 Unit 6 HW HW 6.3 NAMING AND WRITING FORMULAS OF IONIC COMPOUNDS - POLYATOMIC IONS Indicate the type of compound then name the compound! Ionic (I) or Polyatomic Ion (IP) 1. Na 2SO 4 IP sodium sulfate 2. Ca 3(PO 4) 2 IP calcium phosphate 3. KMnO 4 IP potassium permanganate 4. K 2S I potassium sulfide 5. NaI I sodium iodide 6. Rb 2N 3 I rubidium nitride 7. K 2CO 3 IP postassium carbonate 8. Cs 2SO 4 IP cesium sulfate 9. Ba(NO 3) 2 IP barium nitrate 10. LiC 2H 3O 2 IP lithium acetate 11. Ca 3P 2 I calcium phosphate 12. Li 2CrO 4 IP lithium chromate 13. KCN IP potassium cyanide Indicate the type of compound then write the formula! Ionic(I), or Polyatomic Ion(IP) 1. potassium permanganate IP KMNO 4 2. calcium hydroxide IP Ca(OH) 2 3. sodium fluoride I NaF 4. sodium perchlorate I NaClO 4
7 Unit 6 HW Page 7 of ammonium hydroxide IP NH 4OH 6. calcium carbonate IP CaCO 3 7. lithium nitride I Li 3N 8. calcium chlorate IP CaClO 3 9. barium sulfide I BaS 10. ammonium sulfate IP (NH 4) 2SO sodium sulfite IP Na 2SO ammonium chromate IP (NH 4) 2CrO potassium chromate IP K 2CrO 4
8 Page 8 of 16 Unit 6 HW HW 6.4 NAMING AND WRITING FORMULAS OF IONIC COMPOUNDS TRANSITION METALS Indicate the type of compound then name the compound! Ionic (I), Polyatomic(IP) or Transition Metal (IT) 1. NiF 2 IT nickel (II) fluoride 2. Cu 2O IT copper (I) oxide 3. FeI 2 IT iron (II) sulfide 4. CuBr 2 IT copper (II) bromide 5. FeSO 4 IPT iron (II) sulfate 6. SnS 2 IT tin (I) sulfide 7. Na 2S I sodium sulfide 8. CrSe IT chromium (II) selenide 9. MgBr 2 I magnesium bromide 10. MnO IT manganese (II) oxide 11. Mn 2Se 3 IT manganese (III) selenide 12. Na 2SO 3 IP sodium sulfite 13. AuI IT gold (I) iodide 14. PbO IT lead (II) oxide 15. KC 2H 3O 2 IP potassium acetate 16. CoCl 3 IT cobalt (III) chloride
9 Unit 6 HW Page 9 of Fill in the table! Compound Name Ions Formed Formula iron (III) chloride Fe +3 & Cl 1 FeCl 3 tin (IV) fluoride Sn +4 & F -1 SnF2 chromium (III) oxide Cr +3 & O -2 Cr2O3 manganese (II) sulfide Mn +2 & S -2 MnS copper (II) nitride Cu +2 & N -3 Cu3N2 lead (II) oxide Pb +2 & O -2 PbO lead (IV) oxide Pb +4 & O -2 PbO2 titanium (III) chloride Ti +3 & Cl -1 TiCl3 tin (II) sulfide Sn +2 & S -2 SnS iron (III) selenide Fe +3 & Se -2 Fe2Se3 Indicate the type of compound then write the formula! Ionic(I), Polyatomic (P), Transition(T) 27. copper (II) fluoride IT CuF sulfurous acid 29. dinitrogen pentoxide 30. barium chloride I BaCl hydronitric acid 32. lithium perchlorate IP LiClO phosphorus trihydride 34. chromium (III) oxide IT Cr 2O sodium peroxide I Na 2O 2
10 Page 10 of 16 Unit 6 HW HW 6.5 NAMING AND WRITING FORMULAS OF ACIDS Indicate the type of compound then name the compound! Ionic(I) Polyatomic(P) Transition(T) Acid(A) 1. HCl Ab hydrochloric acid 2. CaCl 2 I calcium chloride 3. HgS IT mercury (II) sulfide 4. HI Ab hydroiodic acid 5. H 2Se Ab hydroselenic acid 6. H 2S Ab hydrosulfuric acid 7. HF Ab hydrofluoric acid 8. HMnO 4 At permanganic acid 9. Li 2O I lithium oxide 10. H 2CO 3 At carbonic acid 11. H 2SO 3 At sulfurous acid 12. Ba(NO 2) 2 IP barium nitrite 13. HClO 4 At perchloric acid 14. H 2C 2O 7 At acetic acid 15. PdO 2 IT lead (IV) oxide 16. AlPO 4 IP aluminum phosphate
11 Indicate the type of compound then write the formula Ionic(I) Polyatomic(P) Transition(T) Acid(A) 17. hydronitric acid Ab H 3N Unit 6 HW Page 11 of dichromic acid At H 2Cr 2O nitrous acid At HNO barium sulfate IP BaSO manganese (II) nitrate IPT Mn(NO 3) sulfuric acid At H 2SO hydrobromic acid Ab HBr 24. chloric acid At HClO phosphorous acid At H 3PO 3 (PO Phosphite) 26. rubidum nitride I Rb 3N 27. nitric acid At HNO hydroselenic acid Ab H 2Se 29. hypochlorous acid At HClO 30. chromic acid At H 2CrO nickel(iv)sulfite IPT Ni(SO 3) potassium selenide I K 2Se
12 Page 12 of 16 Unit 6 HW HW 6.6 NAMING AND WRITING FORMULAS OF COVALENT COMPOUNDS Fill in the table of numerical prefixes =1 =2 =3 =4 =5 =6 =7 =8 =9 =10 Name the following covalent compounds using the appropriate prefixes. 1. SO 2 sulfur dioxide 2. S 3F 7 trisulfur heptaflouride 3. N 2O 5 dinitrogen pentaoxide 4. SiCl 4 silicon tetrachloride 5. AsH 3 arsenic trihydride 6. H 2O hydrooxic acid or dihydrogen monoxide 7. SO 3 sulfur trioxide Write the formula of the given covalent compound. 8. nitrogen triiodide NI 3 9. silicon tetrafluoride SiF arsenic pentafluoride AsF xenon hexafluoride XeF triiodine nonafluoride I 3F sulfur trioxide SO 3
13 Unit 6 HW Page 13 of diiodine pentoxide I 2O dinitrogen tetroxide N 2O 4 Indicate the type of compound then write the name Ionic(I) Polyatomic(P) Transition(T) Acid(A) Covalent(C) 1. Li 2O I lithium oxide 2. N 2O 5 C dinitrogen pentoxide 3. HBr Ab hydrobromic acid 4. Co 2SO 3 IPT cobalt (II) sulfite 5. Ba(NO 2) 2 IP barium nitrite 6. HClO 4 At perchloric acid 7. H 2C 2O 7 At dichromic acid 8. NiO 2 IT nickel (IV) oxide Indicate the type of compound then write the formula Ionic(I) Polyatomic(P) Transition(T) Acid(A) Covalent(C) 9. trinitrogen pentasulfide C N 3S hydrochloric acid Ab HCl 11. zirconium(iii)bromide IT ZrBr strontium chromate IP SrCrO cesium nitride I Cs 3N 14. chloric acid At HClO nitrous acid At HNO 2
14 Page 14 of 16 Unit 6 HW EXTRA CREDIT Across 3. What polyatomic ion is this: SO Ba 2N 3 = barium 6. What element is this: Rn 8. prefix for prefix for CuSO 4 = Copper (II) 15. prefix for N 2O 5 = pentoxide 17. Group 13 has valence electrons 18. HNO 3 = acid 20. To the left of the zig-zag line Down 1. What element is this: Mn 2. The name of Group What element is this: W 7. Group 1 Metals 9. This value is equal to oxidation # 10. What polyatomic ion is this: CrO SrCl 2 = chloride 14. Transition metal compounds use the system 19. What kind of compound: KCl
15 Unit 6 HW Page 15 of 16 Prefixes for Covalent Compounds Mono = 1 Di = 2 Tri = 3 Tetra = 4 Penta = 5 Hexa = 6 Hepta = 7 Octa = 8 Nona = 9 Deca = 10 Common Polyatomic Ions List 20 Name Common Polyatomic Ions Ion Name Ion acetate C 2H 3O 2 or CH 3COO hypochlorite ClO ammonium + NH 4 nitrate NO 3 carbonate 2 CO 3 nitrite NO 2 chlorate ClO 3 perchlorate ClO 4 chlorite ClO 2 permanganate MnO 4 chromate 2 CrO 4 phosphate 3 PO 4 cyanide CN phosphite 3 PO 3 dichromate Cr 2O 2 7 silicate 2 SiO 3 hydrogen carbonate HCO 3 sulfate 2 SO 4 hydroxide OH sulfite 2 SO 3 Roman Numerals for Transition Metals = I 2 = II 3 = III 4 = IV 5 = V 6 = VI
16 Page 16 of 16 Unit 6 HW
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