Extra Credit Directions
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1 Extra Credit Directions 1. Everything must be correct in order to receive extra credit. There is no partial extra credit. 2. Using the provided charts, you will end in one of the outlined boxes that have the rule number. That is the number that you will provide in the Rule Column. 3. Label ALL units in the molar mass column.
2 HOW TO WRITE NAMES FOR COMPOUNDS Start Covalent Compound (two nonmetals) RULE 1: Use Greek prefixes to indicate amount of each element. Do not use "mono" for the first element Ionic Compound (metal + nonmetal(s)) Is the first element hydrogen? This means it's an acid Does it have two total elements or more than two? Does it have two elements or more than two? If just has two elements, it is a BINARY IONIC COMPOUND More than two = polyatomic ion If just has two elements, it is a BINARY ACID Polyatomic ion ends with -ate (or has cyanide) Polyatomic ion ends with -ite RULE 2: Write the full name of the cation, and the anion ends in - ide RULE 3: Write the full name of the cation and full name of anion. Either cation or anion is a polyatomic ion. RULE 4: Write the word "hydro" followed by the root of the other element then "- ic acid" RULE 5: Do not write the word hydro, just use the root of the polyatomic ion with the ending: - ic acid RULE 6: Do not write the word hydro, just use the root of the polyatomic ion with the ending: - ous acid Does it have a transition metal? Does it have a transition metal? If applicable, keep "per" in the name of the acid If applicable, keep "hypo" in the name of the acid RULE 2.5: Transition metal MUST have roman numerals to indicate charge RULE 3.5: Transition metal MUST have roman numerals to indicate charge
3 HOW TO WRITE FORMULAS OF COMPOUNDS Start Covalent Compound (two nonmetals) RULE 1: The Greek prefixes indicate how many of each atom there are. Ionic Compound (metal + nonmetal(s)) Does it have the word "acid" in it? Does it have the word "hydro" or not? Binary vs polyatomic ion. Does name end in -ate or -ite? (or contain ammonium, cyanide, or hydroxide) Yes No Does name end in -ide (except cyanide and hydroxide)? It has a polyatomic ion. Look at the ending Ending: -ic acid Ending: - ous acid RULE 2: Write symbols of each atom with their charges. Use cross trick to solve for formula RULE 3: write symbols of cation and anion completely with charges. Use cross trick to solve for fomula. Use parenthesis around polyatomic ions RULE 4: It is a binary acid. It only has hydrogen and one other element. Use the charge of that element to see how many hydrogens you need That means polyatomic ion ends in -ate or has cyanide Does it begin with "per"? That means polyatomic ion ends in -ite Does it begin with "hypo" Does it have a transition metal? RULE 5: Write symbols for hydrogen and polyatomic ion. Use cross trick. RULE 6: Write symbols for hydrogen and polyatomic ion. Use cross trick RULE 2.5: The charge of the transition metal is indicated by the roman numeral. Does it have a transition metal? RULE 3.5: THe charge of the transition metal is indicated by the roman numeral.
4 Mixed Naming Worksheet Name: Naming Compounds Using the 1. NO 2 Naming Flow Chart, which rule did you use? 1, 2, 2.5, 3, 3.5, 4, 5, or 6 Name of polyatomic ion, if applicable Name of compound Determine the mass of this compound if I had 1 mole. Label units. 2. NaBr 3. SiO 2 4. P 2 Br 4 5. FeSO 4 6. SF 6 7. HNO 3 8. Li 2 S 9. HCl 10. MgBr N 2 S 12. SeF AsCl HClO 15. Be(OH) SO KMnO HClO Cu 2 S 20. BF H 2 SO CaI Pb 3 (PO 4 ) 2
5 24. HCH 3 COO 25. Ca(CH 3 COO) P 2 O BaCl K 2 SO Pb(ClO 3 ) H 3 PO NF TiCl Al 2 (SO 4 ) HBrO HIO H 2 S 37. Si 3 Cl Ca 3 P Sr(OH) HClO HClO H 2 SO H 3 P 44. NO 45. HBr 46. HClO Mg(MnO 4 ) P 4 Cl Ca 3 N SnS 2
6 Using the Formula Flow Chart, which rule did you use? 1, 2, 2.5, 3, 3.5, 4, 5, or 6 Name of polyatomic ion, if applicable Formula of compound Determine the mass of this compound if I had 1 mole. Label units. 51. hydroiodic acid 52. hyrdrosulfuric acid 53. calcium sulfide 54. dinitrogen pentoxide 55. aluminum sulfate 56. sulfurous acid 57. nitric acid 58. dihydrogen monoxide 59. trisulfur monochloride 60. selenium monoxide 61. hydrotelluric acid 62. tin(iv) sulfite 63. carbonic acid 64. barium acetate 65. zinc(ii) periodate 66. chloric acid 67. silicon pentanitride 68. bromic acid 69. cobalt (II) oxide 70. sodium oxide 71. hydrofluoric acid 72. calcium bromate 73. hyrdrobromic acid 74. silicon dioxide
7 75. nickel(iii) sulfide 76. manganese(ii) phosphate 77. silver(i) iodate 78. hydrobromic acid 79. diboron tetrabromide 80. phosphoric acid 81. potassium carbonate 82. ammonium oxide 83. carbon monoxide 84. aluminum sulfite 85. zinc(ii) nitrate 86. sodium carbonate 87. sodium permanganate 88. diphosphorus pentoxide 89. lead(iv) sulfide 90. copper(i) sulfate 91. aluminum sulfate 92. ammonium nitride 93. magnesium hydroxide 94. calcium cyanide 95. nitric acid 96. sulfuric acid 97. xenon tetrafluoride 98. Calcium hydroxide 99. cobalt(ii) hypochlorite 100. aluminum bicarbonate
8 Draw all of the resonance Lewis structures for ozone (O 3 ). Draw 6 of the resonance Lewis structures for the sulfate ion. Label formal charges. Draw all 5 of the resonance structures for the phosphate ion. Label formal charges. Phosphorus can form a maximum of 5 bonds.
9 Draw all 16 resonance structures for the perchlorate ion. Label formal charges. Circle which ones are the best.
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