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NAMING COMPOUNDS IONIC COMPOUNDS
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Naming Ionic Compounds
How do you know if a compound is an Ionic Bond? METAL + NONMETAL
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Naming Ionic Compounds
Use the same first element name Change the second element ending to –”ide” NaF Sodium Fluoride Sodium Fluorine K2S Potassium Sulfur Potassium Sulfide Mg3N2 Magnesium Nitride Magnesium Nitrogen Li2O Lithium Oxide Lithium Oxygen
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NAMING COMPOUNDS COVALENT MOLECULES
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Naming Covalent Molecules
How do you know if a compound is a Covalent Bond? NONMETAL + NONMETAL
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Naming Covalent Molecules
Covalent Names Use Prefixes on the first and second element Change the second element ending to –”ide” 1 – mono ~ 7 – hepta ~ 2 – di ~ 8 – octa ~ 3 – tri ~ 9 – nona ~ 4 – tetra ~ 10 – deca ~ 5 – penta ~ 6 – hexa ~
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Naming Covalent Molecules
N2O2 Nitrogen Oxygen Dinitrogen Dioxygen Dinitrogen Dioxide
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Naming Covalent Molecules
P2F4 Phosphorous Fluorine Diphosphorous Tetrafluorine Diphosphorous Tetrafluoride
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Naming Covalent Molecules
P3Cl7 Triphosphorous Heptachloride
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Naming Covalent Molecules
ONE SPECIAL EXCEPTION TO THE RULES….. If the FIRST element only has ONE atom, then do NOT put the “mono” on the front.
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Naming Covalent Molecules
Monocarbon Dioxide Carbon Dioxide
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Naming Covalent Molecules
Carbon Monoxide
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Naming Covalent Molecules
SCl Sulfur Monochloride
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Naming Covalent Molecules
C4N3 Tetracarbon Trinitride S5Br Pentasulfur Monobromide P8O10 Octaphosphorus Decaoxide Se2F7 Diselenium Heptafluoride O5Cl9 Pentaoxygen Nonachloride FBr4 Fluorine Tetrabromide
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Naming Covalent Molecules
S2Br3 Disulfur Tribromide C6F8 Hexacarbon Octafluoride O4Cl Tetraoxygen Monochloride Se5Cl2 Pentaselenium Dichloride P10S3 Decaphosphorus Trisulfide N7I6 Heptanitrogen Hexaiodide
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Ionic Compounds with “Transition” metals
Transition metals are the metallic elements in Groups 3 to 12 These transition metals usually have their charges written in Roman Numerals The Roman numerals are usually in Parentheses (not always) All of them are positively charged
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Roman Numerals for charges:
I = +1 II = +2 III = +3 IV = +4 V = +5 VI = +6 VII = +7
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Ionic compounds w/transition metals…
Iron (II) oxide FeO Iron (III) oxide Fe2O3 Vanadium (IV) nitride V3N4 Chromium (III) iodide CrI3 Manganese (II) oxide MnO2
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Ionic Compounds w/ Polyatomic ions…
Polyatomic ions = groups of atoms that have a charge (a.k.a = radicals) Examples: Ammonium = NH4+1 Hydroxide = OH-1 Borate = BO3-2
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Ionic Compounds w/ Polyatomic ions…
Sodium nitrite Na(NO2) Sodium nitrate Na(NO3) Iron (II) nitrate Fe(NO3)2 Vanadium (IV) sulfate V(SO4)2 Potassium oxalate K2(C2O4)
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