FORMULAS AND NAMES OF BINARY COVALENT COMPOUNDS
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1 FORMULAS AND NAMES OF BINARY COVALENT COMPOUNDS Fill the blanks in the following table. Formula Name Formula Name CO carbon monoxide P 4 O 10 tetraphosphorus decaoxide CS 2 carbon disulfide NH 3 ammonia SO 2 sulfur dioxide SF 6 sulfur hexafluoride SiC silicon carbide N 2 O 3 dinitrogen trioxide N 2 O dinitrogen monoxide OF 2 oxygen difluoride P 4 S 3 tetraphosphorus trisulfide SiCl 4 silicon tetrachloride IF 7 iodine heptafluoride CH 4 methane H 2 O water SO 3 sulfur trioxide H 2 S 2 dihydrogen disulfide KrF 2 krypton difluoride Cl 2 O 7 dichlorine heptaoxide N 2 O 5 dinitrogen pentaoxide
2 FORMULAS AND NAMES OF BINARY IONIC COMPOUNDS (1) Write the formula for each ion below the ion s name. (2) Fill in the blanks with the correct formula and name of the compound formed by the combination of ions. Chloride ion Oxide ion Bromide Sulfide ion Nitride ion Cl O 2 Br S 2 N 3 Sodium ion Na + NaCl sodium chloride O sodium oxide NaBr sodium bromide S sodium sulfide Na 3 N sodium nitride Copper (I) ion CuCl Cu 2 O CuBr Cu 2 S Cu 3 N Cu + copper (I) chloride copper (I) oxide copper (I) bromide copper (I) sulfide copper (I) nitride Calcium ion CaCl 2 CaO CaBr 2 CaS Ca 3 N 2 Ca 2 + calcium chloride calcium oxide calcium bromide calcium sulfide calcium nitride Iron (II) ion FeCl 2 FeO FeBr 2 FeS Fe 3 N 2 Fe 2 + iron (II) chloride iron (II) oxide iron (II) bromide iron (II) sulfide iron (II) nitride Iron (III) ion FeCl 3 Fe 2 O 3 FeBr 3 Fe 2 S 3 FeN Fe 3 + iron (III) chloride iron (III) oxide iron (III) bromide iron (III) sulfide iron (III) nitride Aluminum ion AlCl 3 O 3 AlBr 3 S 3 AlN Al 3 + aluminum chloride aluminum oxide aluminum bromide aluminum sulfide aluminum nitride
3 FORMULAS OF IONIC COMPOUNDS WITH MONO- AND POLYATOMIC IONS For each box write the chemical formula of the compound formed by the cation at the head of the column and the anion at the left of the row. Li + Mg 2 + NH + 4 Al 3 + Na + Ba 2 + K + Ca 2 + Br LiBr MgBr 2 Br AlBr 3 NaBr BaBr 2 KBr CaBr 2 SO 2 4 Li 2 Mg ( ( Ba K 2 Ca OH LiOH Mg(OH Al(OH NaOH Ba(OH KOH Ca(OH F LiF MgF 2 F AlF 3 NaF BaF 2 KF CaF 2 O 2 Li 2 O MgO O 3 O BaO K 2 O CaO NO 3 LiNO 3 Mg(NO 3 NO 3 Al(NO 3 NaNO 3 Ba(NO 3 KNO 3 Ca(NO 3 PO 3 4 Li 3 Mg 3 ( ( Al Na 3 Ba 3 ( K 3 Ca 3 ( Cl LiCl MgCl 2 Cl AlCl 3 NaCl BaCl 2 KCl CaCl 2 S 2 Li 2 S MgS ( S S 3 S BaS K 2 S CaS I LiI MgI 2 I AlI 3 NaI BaI 2 KI CaI 2 CO 2 3 Li 2 Mg ( ( Ba K 2 Ca
4 FORMULA-TO-NAME EXERCISE Give a correct chemical name for each of the following compounds. 1. MgO magnesium oxide 2. PbI 2 lead (II) iodide 3. FeS iron (II) sulfide 4. Zn zinc sulfate 5. Li 2 lithium carbonate 6. Ba(NO 3 barium nitrate 7. NO 2 ammonium nitrite 8. K 2 SO 3 potassium sulfite 9. CrCl 3 chromium (III) chloride 10. Sr(C 2 H 3 O 2 strontium acetate 11. Mg 3 N 2 magnesium nitride 12. Ca 3 ( calcium phosphate 13. SnO 2 tin (IV) oxide 14. KMnO 4 potassium permanganate 15. Hg 2 Cl 2 mercury (I) chloride 16. NaH sodium hydrogen carbonate (sodium bicarbonate) 17. CCl 4 carbon tetrachloride 18. NO 2 nitrogen dioxide 19. N 2 O 5 dinitrogen pentaoxide 20. PBr 5 phosphorus pentabromide 21. CaO 2 calcium peroxide 22. HCl(aq) hydrochloric acid 23. HNO 3 (aq) nitric acid 24. H 2 SO 3 (aq) sulfurous acid 25. H 3 (aq) phosphoric acid
5 NAME-TO-FORMULA EXERCISE Give a correct chemical name for each of the following compounds. 1. Potassium iodide KI 2. Barium sulfate Ba 3. Aluminum nitrate Al(NO 3 4. Copper (II) carbonate Cu 5. Gold (III) chloride AuCl 3 6. Ferric hydroxide Fe(OH 7. Lead (II) chromate PbCrO 4 8. Nickel (II) hydroxide Ni(OH 9. Mercury (II) bromide HgBr Silver acetate AgC 2 H 3 O Magnesium chlorate Mg(ClO Sodium peroxide O Manganese (II) phosphate Mn 3 ( 14. Ammonium sulfide ( S 15. Platinum (IV) fluoride PtF Chromium (III) hydroxide Cr(OH 17. Calcium oxalate CaC 2 O Antimony trichloride SbCl Ammonia NH Silicon dioxide SiO Carbon monoxide CO 22. Hydrobromic acid HBr(aq) 23. Nitrous acid HNO 2 (aq) 24. Acetic acid HC 2 H 3 O 2 (aq) 25. Sulfuric acid H 2 (aq)
6 COMBINED NOMENCLATURE EXERCISE Indicate the covalent compounds with *. Write the complete chemical formulas for the following compounds. 1. Barium sulfate Ba 11. Calcium chloride CaCl 2 2. Potassium oxide K 2 O 12. Lithium hydroxide LiOH 3. Aluminum iodide AlI Carbon disulfide * CS 2 4. Tin (IV) fluoride SnF Carbon disulfide * CS 2 5. Iron (III) sulfite Fe 2 (SO Manganese (II) phosphide Mn 3 P 2 6. Mercury (II) nitrite Hg(NO Beryllium acetate Be(C 2 H 3 O 2 7. Dinitrogen pentoxide * N 2 O Copper (I) phosphate Cu 3 8. Boron tribromide * BBr Hydrogen peroxide * H 2 O 2 9. Sodium hydrogen carbonate (sodium bicarbonate) NaH 19. Nickel (II) chromate NiCrO Nitrous acid * HNO 2 (aq0. Silver hypochlorite AgClO Indicate covalent compounds with *. Write the complete name for the following chemicals. 1. Mg(CN magnesium cyanide 10. Li 3 lithium phosphate 2. P 4 O 10 * phosporus decaoxide 11. KMnO 4 potassium permanganate 3. ( ammonium carbonate 12. Hg(OH mercury (II) hydroxide 4. CdSe cadmium selenide 13. Cr 3 (BO 3 chromium (II) borate 5. H 2 SO 3 (aq) * sulfurous acid 14. OF 2 * oxygen difluoride 6. N 2 (g) nitrogen 15. HBrO 3 (aq) * bromic acid 7. CsHS cesium hydrogen sulfide 16. SiCl 4 * silicon tetrachloride 8. KH 2 potassium dihydrogen phosphate 17. HBr(aq) * hydrobromic acid 9. Cd(NO 3 7H 2 O cadmium nitrate heptahydrate 18. AsH 3 * arsine
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