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Transcript of Warm up 10-12-15 1.Covalent bonds are between _____ and _____ elements 2.Ionic bonds are between...
![Page 1: Warm up 10-12-15 1.Covalent bonds are between _____ and _____ elements 2.Ionic bonds are between _____ and _____ elements 3.Identify if these compounds.](https://reader036.fdocuments.net/reader036/viewer/2022062423/5697bfd91a28abf838caf9ed/html5/thumbnails/1.jpg)
Warm up 10-12-15
1. Covalent bonds are between _____ and _____ elements
2. Ionic bonds are between _____ and _____ elements
3. Identify if these compounds are ionic or covalent: FeS, CO2, Cl2 and AlBr3
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Formulas and Names of Ionic and Covalent
Compounds
Chp 5-3 and 6-2
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Nomenclature: Naming of compounds
• Must determine which type of bond made up the compound
- Ionic bond has metal elements - Covalent bond has no metal elements
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Naming Covalent (Molecular) Compounds
1. Use a prefix to indicate the amount of each element in the compound2. Never use mono– on the first element name. 3. Give the last element an –ide ending.
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Naming Covalent (Molecular) Compounds
• Mono– 1• Di– 2• Tri– 3• Tetra– 4• Penta– 5• Hexa– 6• Hepta– 7• Octa– 8• Nona– 9• Deca– 10
Prefixes
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Examples
• CO2
• B2H4
• Dinitrogen trioxide
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Naming Covalent CompoundsPractice
Chemical Formula Name1. CO2. P2S5
3. SiO2
4. SCl4
5. Trinitrogen pentabromide6. Dinitrogen trioxideWhy incorrect? Monosulfur dioxide
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Naming Ionic Compounds1. Ending element change to –ide. (no prefixes)2. Make sure all the charge cancel each other out3. If there is a transition metal you indicate the charge with a roman numeral after the name of the metal.4. If it is a polyatomic ion, you simply use the name as it is. (no –ide)
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Examples
1. CaCl2
2. MgI2
3. Potassium Sulfide4. Beryllium Fluoride5. Iron (II) Nitride6. FeCl2
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Naming Ionic CompoundsPractice
1. ______________ AlCl3
2. ______________ Na2S
3. Lithium Bromide _____4. Calcium Fluoride _____5. Aluminum Oxide _____6. ____________ CuCl2
7. Iron (III) Phosphide ____
Writing ChemicalFormula for Ionic Compounds-Write the symbol and charge-Cation goes in front-Make sure all the chargesCancel each other out
Transitionmetal
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Naming Ionic Compounds- Polyatomic Ions
(NH4)+ Ammonium (NH3) Ammonia
(OH)- Hydroxide(CO3)-2 Carbonate
(NO3)- Nitrate (NO2)- Nitrite
(SO4)-2 Sulfate (SO3)-2 Sulfite
(PO4 )-3 Phosphate (PO3)-3 Phosphite
(Cr2O7)-2 Dichromate
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Naming Polyatomic Ions
1. ______________ Li2SO4
2. ______________ Sr(NO3)2
3. Potassium Phosphate _____4. Ammonium Oxide _____5. ______________ NaOH6. ______________ Ca(NO2)2
7. Calcium Carbonate ______8. Ammonium Sulfide _____
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More Examples
• Mixture of covalent, ionic and polyatomic nomenclature.
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SrS
Strontium Sulfide
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GaCl3
Gallium Chloride
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Calcium Oxide
CaO
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Sulfate
SO42-
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Phosphate
PO43-
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Strontium Nitride
Sr3N2
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Li3N
Lithium Nitride
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Hydroxide
OH-
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Beryllium Carbonate
BeCO3
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BeSe
Beryllium Selenide
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Mg(NO3)2
Magnesium Nitrate
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KBr
Potassium Bromide
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AlPO4
Aluminum Phosphate
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Magnesium Arsenide
Mg3As2
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NaOH
Sodium Hydroxide
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Potassium Sulfate
K2SO4
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Ba2P3
Barium Phosphide
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Rubidium Phosphide
Rb3P
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Potassium Chloride
KCl
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Sodium Oxide
Na2O
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Rb2O
Rubidium Oxide