Naming and Writing Compounds - DSA Chemistry

Naming and Writing Compounds - DSA Chemistry

Warm-Up What is an ion? How is it formed? NOMENCLATURE Naming and Writing Compounds Three categories of compounds 1. Acids begin with a hydrogen (HCl) 2. Ionic metal bonded with a non-metal

or polyatomic ion 3. Covalent non-metal bonded with non-metal FIRST DETERMINE WHAT TYPE OF COMPOUND YOU ARE DEALING WITH Identify the compounds below as ionic compounds, covalent compounds, or as acids 1. NaBr 2. SO2 3. HF

4. P3O8 5. HC2H3O2 REMINDER 1. Acids begin with a hydrogen (HCl) 2. Covalent non-metal bonded with non-metal 3. Ionic metal bonded with a non-metal or Identify the compounds below as ionic compounds, covalent compounds, or as acids 1. NaBr 2. SO2

3. HF 4. P3O8 5. HC2H3O2 REMINDER 1. Acids begin with a hydrogen (HCl) 2. Covalent non-metal bonded with non-metal 3. Ionic metal bonded with a non-metal or Identify the compounds below as ionic compounds, covalent compounds, or as acids 6. WP2

7. NaCN 8. HNO3 9. BeF2 10.CO2 REMINDER 1. Acids begin with a hydrogen (HCl) 2. Covalent non-metal bonded with non-metal 3. Ionic metal bonded with a non-metal or Identify the compounds below as ionic compounds, covalent compounds, or as acids

6. WP2 7. NaCN 8. HNO3 9. BeF2 10.CO2 REMINDER 1. Acids begin with a hydrogen (HCl) 2. Covalent non-metal bonded with non-metal 3. Ionic metal bonded with a non-metal or Identify the compounds below as ionic compounds, covalent compounds, or as acids

11.HClO4 12.Cu2O 13.ZnCl2 14.Ca(IO3)2 15.H2O REMINDER 1. Acids begin with a hydrogen (HCl) 2. Covalent non-metal bonded with non-metal 3. Ionic metal bonded with a non-metal or Identify the compounds below as ionic

compounds, covalent compounds, or as acids 11.HClO4 12.Cu2O 13.ZnCl2 14.Ca(IO3)2 15.H2O REMINDER 1. Acids begin with a hydrogen (HCl) 2. Covalent non-metal bonded with non-metal 3. Ionic metal bonded with a non-metal or

Covalent Compounds A non-metal bonded to another non-metal Covalent Compounds A non-metal bonded to another non-metal 1) Name first element (add a prefix if there is more than one of that element) 2) Add a prefix and write the name of the second

element. Change the ending to -ide Covalent Compounds 1) Name first element (add a prefix if there is more than one of that element) 2) Add a prefix and write the name of the second element. Change the ending to ide Practice! 3) SO2

4) N2O4 5) P4O10 6) NO2 7) N2Cl4 Covalent Compounds 1. Name first element (add a prefix if there is more than one of that element) 2. Add a prefix and write the name of the second element. Change the ending to ide. 1) SO2 sulfur dioxide

2) N2O4 dinitrogen tetroxide 3) P4O10 tetraphosphorous decoxide 4) NO2 nitrogen dioxide 5) N2Cl4 dinitrogen tetrachloride Covalent Compounds 1) Name the first element (add a prefix if there is more than one of that element) 2) Add a prefix and write the name of the second element. Change the ending to -ide

Practice! 6) SO3 7) ClO2 8) CS2 9) XeF2 10)S2Cl2 Covalent Compounds 1) Name first element (add a prefix if there is more than one of that element) 2) Add a prefix and write the name

of the second element. Change the ending to -ide Practice! 6) SO3 sulfur trioxide 7) ClO2 chlorine dioxide 8) CS2 carbon disulfide 9) XeF2 xenon difluoride 10)S2Cl2 disulfur dichloride Writing COVALENT formulas 1. Write the symbol for the first element. If there is a prefix add

that number as the subscript. 2. Write the symbol for the second element. Add the prefix number as the subscript (if its not mono). Writing COVALENT formulas 1. Write the symbol for the first element. If there is a prefix add that number as the subscript. 2. Write the symbol for the second element. Add the prefix number as the subscript (if its not mono) Practice!

3. Boron trichloride 4. Dinitrogen monoxide 5. Dihydrogen monoxide 6. Carbon monoxide 7. Carbon dioxide Writing COVALENT formulas 1. Write the symbol for the first element. If there is a prefix add that number as the subscript. 2. Write the symbol for the second element. Add the prefix number as the subscript (if its not mono)

Practice! 3. Boron trichloride BCl3 4. Dinitrogen monoxide N2O 5. Dihydrogen monoxide H2O 6. Carbon monoxide CO 7. Carbon dioxide CO2 Writing COVALENT formulas 1. Write the symbol for the first element. If there is a prefix add that number as the subscript. 2. Write the symbol for the second element. Add the prefix number as the subscript (if its not mono)

Practice! 6. Sulfur trioxide 7. Phosphorus trihydride 8. Diphosphorus tetrabromide 9. Silicon dioxide 10.Sulfur hexafluoride Writing COVALENT formulas 1. Write the symbol for the first element. If there is a prefix add that number as the subscript. 2. Write the symbol for the second element. Add the

prefix number as the subscript (if its not mono) Practice! 6. Sulfur trioxide SO3 7. Phosphorus trihydride PH3 8. Diphosphorus tetrabromide P2Br4 9. Silicon dioxide SiO2 10.Sulfur hexafluoride SF6 Naming Acids Chemical formula starts with HYDROGEN (H)

Water (H2O) is NOT AN ACID Examples: 1) HCl 2) HF 3) H2CO3 4) HClO Naming Acids Look at the negative (anion) part of the acid to determine if it is: 1. An element 2. A polyatomic ion ending in ate

(from page 7 of your chemistry reference table) 3. A polyatomic ion ending in ite (from page 7 of your chemistry reference table) Naming Acids If is is an element: Hydro (element) ic acid 1) HCl Hydro 2) HF Hydro

ic acid ic acid Naming Acids If is is an element: Hydro (element) ic acid 1) HCl Hydrochloric acid 2) HF Hydrofluoric acid Naming Acids

A polyatomic ion ending in ate (name of polyatomic ion, minus ate)ic acid 1) H2CO3 (name of CO32-) ic acid Naming Acids A polyatomic ion ending in ate (name of polyatomic ion, minus ate)ic acid 1) H2CO3 Carbonic acid

Naming Acids A polyatomic ion ending in ite (name of polyatomic ion, minus ite)ous acid 1) HClO (name of ClO-) ous acid Naming Acids A polyatomic ion ending in ite (name of polyatomic ion, minus

ite)ous acid 1) HClO Hypochlorous acid Naming Acids Try a few on your own! 1. HClO4 2. HClO3 3. H2S 4. HNO2 5. HCN 6. HI 7. H2SO4

Naming Acids Try a few on your own! 1. HClO4 perchloric acid 2. HClO3 chloric acid 3. H2S hydrosulfuric acid 4. HNO2 nitrous acid 5. HCN hydrocyanic acid 6. HI hydroiodic acid 7. H2SO4 sulfuric acid Writing ACID formulas

1. Write the symbol(s) for the negative part. Find the charge for the negative part (anion). 2. After you find the charge on the negative part (anion), ADD that many HYDROGENS to the front (with a subscript) Writing ACID formulas 1. Write the symbol(s) for the negative part. Find the charge for the negative part (anion). 2. After you find the charge on the negative part (anion),

ADD that many HYDROGENS to the front (with a subscript) Practice! 3. Hydrochloric acid 4. Nitrous acid 5. Acetic acid 6. Hydroselenic acid 7. Permanganic acid Writing ACID formulas 1. Write the symbol(s) for the negative part. Find the charge

for the negative part (anion). 2. After you find the charge on the negative part (anion), ADD that many HYDROGENS to the front (with a subscript) Practice! 3. Hydrochloric acid HCl 4. Nitrous acid HNO2 5. Acetic acid HC2H3O2 6. Hydroselenic acid H2Se 7. Permanganic acid HMnO4 Writing ACID formulas

1. Write the symbol(s) for the negative part. Find the charge for the negative part (anion). 2. After you find the charge on the negative part (anion), ADD that many HYDROGENS to the front (with a subscript) Practice! 6. Hypochlorous acid 7. Hydrocyanic acid 8. Chromic acid 9. Phosphoric acid 10. Hydrosulfuric acid

Writing ACID formulas 1. Write the symbol(s) for the negative part. Find the charge for the negative part (anion). 2. After you find the charge on the negative part (anion), ADD that many HYDROGENS to the front (with a subscript) Practice! 6. Hypochlorous acid HClO 7. Hydrocyanic acid HCN 8. Chromic acid H2CrO4

9. Phosphoric acid H3PO4 10. Hydrosulfuric acid H2S Ionic Compounds This is a bond between a metal and nonmetal OR involving a polyatomic ion (ex. NH4+) Ionic Compounds This is a bond between a metal and non-metal OR involving a polyatomic ion (ex. NH4+) 1) Write the name of the first element or polyatomic ion

2) Write the name of the second element or polyatomic ion. If it is an element change the ending to ide. 3) Add a roman numeral if the metal is a transition or inner transition metal. Exceptions: Ag1+, Zn2+ Ionic Compounds 1) NaCl 2) K2S

3) MgSO4 4) Mn(OH)2 5) Li2S 1) 2) 3) Write the name of the first element or polyatomic ion Write the name of the second element or polyatomic ion. If it is an element change the ending to ide Add a roman numeral if the metal is a transition or inner transition metal (not in group 1A or 2A)

Exceptions: Ag1+, Zn2+, Al3+ Ionic Compounds 1) NaCl sodium chloride 2) K2S potassium sulfide 3) MgSO4 magnesium sulfate 4) Mn(OH)2 manganese (II) hydroxide 5) Li2S lithium sulfide 1) 2) 3)

Write the name of the first element or polyatomic ion Write the name of the second element or polyatomic ion. If it is an element change the ending to ide Add a roman numeral if the metal is a transition or inner transition metal (not in group 1A or 2A) Exceptions: Ag1+, Zn2+, Al3+ Ionic Compounds 6) CaBr2 7) Ni(CN)2 8) HgI2 9) Fe2(SO4)3

10)TiCl3 1) 2) 3) Write the name of the first element or polyatomic ion Write the name of the second element or polyatomic ion. If it is an element change the ending to ide Add a roman numeral if the metal is a transition or inner transition metal (not in group 1A or 2A) Exceptions: Ag1+, Zn2+, Al3+

Ionic Compounds 6) CaBr2 calcium bromide 7) Ni(CN)2 nickel (II) cyanide 8) HgI2 mercury (II) iodide 9) Fe2(SO4)3 iron (III) sulfate 10)TiCl3 titanium (III) chloride 1) 2) 3) Write the name of the first element or polyatomic ion Write the name of the second element or polyatomic ion. If

it is an element change the ending to ide Add a roman numeral if the metal is a transition or inner transition metal (not in group 1A or 2A) Exceptions: Ag1+, Zn2+, Al3+ Writing IONIC formulas 1. Write the symbol and find the charge of the positive side (cation) 2. Write the symbol and write the charge of the negative side (anion) 3. Crisscross. Reduce if possible.

Writing IONIC formulas 1. 2. Write the symbol and find the charge of the positive side (cation) Write the symbol and write the charge of the negative side (anion) Crisscross. Reduce if possible. Practice!

3. 1.Sodium bromide 2.Lithium sulfide 3.Potassium iodide 4.Copper (II) chloride Writing IONIC formulas 1. 2.

Write the symbol and find the charge of the positive side (cation) Write the symbol and write the charge of the negative side (anion) Crisscross. Reduce if possible. Practice! 3. 1.Sodium bromide = NaBr 2.Lithium sulfide = Li2S

3.Potassium iodide = KI 4.Copper (II) chloride = CuCl2 Writing IONIC formulas 1. 2. Write the symbol and find the charge of the positive side (cation) Write the symbol and write the charge of the negative side (anion)

Crisscross. Reduce if possible. Practice! 3. 6. Lead (II) nitrate 7. Calcium carbonate 8. Magnesium hydroxide 9. Sodium phosphate

Writing IONIC formulas Practice! 6. Lead (II) nitrate = Pb(NO3)2 7. Calcium carbonate = CaCO3 8. Magnesium hydroxide = Mg(OH)2 9. Sodium phosphate = Na3PO4 1. Write the symbol and find the charge of the positive side (cation) 2. Write the symbol and write the charge of the negative side (anion) 10.Magnesium acetate =

3. Crisscross. Reduce if possible.

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