2.7 Naming compounds (Ionic covalent acids and bases)(Part1).pptx

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1. Lesson 2: Naming Molecules Module 7 “The difference between stupidity and genius is that genius has its limit” -Albert Einstein-

2. 1) Naming ionic compounds

3. 1) Naming ionic compounds

4. Examples of Older Names of Cations formed from Transition Metals (memorize these !!) 1) Naming ionic compounds

5. Common Polyatomic Ions Ion Name Ion Name NH 4  ammonium IO 4  periodate NO 2  nitrite C 2 H 3 O 2  acetate NO 3  nitrate H 2 PO 4  dihydrogen phosphate HSO 4  hydrogen sulfate CO 3 2  carbonate OH  hydroxide SO 3 2  sulfite CN  cyanide SO 4 2  sulfate MnO 4  permanganate S 2 O 3 2  thiosulfate HCO 3  hydrogen carbonate O 2 2  peroxide ClO  hypochlorite CrO 4 2  chromate ClO 2  chlorite Cr 2 O 7 2  dichromate ClO 3  chlorate HPO 4 2  hydrogen phosphate ClO 4  perchlorate PO 3 3  phosphite BrO 3  bromate PO 4 3  phosphate IO 3  iodate AsO 4 3  Arsenate Polyatomic ions (memorize these !!)

6. Exercises (write the name for the compounds below) Ionic Compounds often a metal + nonmetal anion (nonmetal), add “ide” to element name BaCl 2 barium chloride K 2 O potassium oxide Mg(OH) 2 magnesium hydroxide KNO 3 potassium nitrate

7. Transition metal ionic compounds indicate charge on metal with Roman numerals FeCl 2 2 Cl - -2 so Fe is +2 iron(II) chloride FeCl 3 3 Cl - -3 so Fe is +3 iron(III) chloride Cr 2 S 3 3 S -2 -6 so Cr is +3 (6/2) chromium(III) sulfide Exercises (write the name for the compounds below)

8. nonmetals or nonmetals + metalloids common names H 2 O, NH 3 , CH 4 , C 6 element further left in periodic table is 1 st element closest to bottom of group is 1 st if more than one compound can be formed from the same elements, use prefixes to indicate number of each kind of atom last element ends in ide 2) Naming Molecular (covalent) compounds

9. HI hydrogen iodide NF 3 nitrogen tri fluoride SO 2 sulfur di oxide N 2 Cl 4 di nitrogen tetra chloride NO 2 nitrogen di oxide N 2 O di nitrogen mo noxide TOXIC ! Laughing Gas 2) Naming Molecular (covalent) compounds

10. Roman numerals Naming ionic and molecular compounds (Summarized)

11. Naming Ionic and Molecular Compounds | How to Pass Chemistry Formula (1) Al 2 O 3 (2) Fe 2 O 3 (3) Ca 3 (PO 4 ) (4) Cu(NO 3 ) 2 (5) FeBr 2 (6) Cu 3 (PO 4 ) 2 (7) P 2 O 5 (8) N 3 O 6 Name Formula (1) Al 2 O 3 (2) Fe 2 O 3 (4) Cu(NO 3 ) 2 (5) FeBr 2 (6) Cu 3 (PO 4 ) 2 (7) P 2 O 5 (8) N 3 O 6 Name