Naming Compounds,  cations and anions
Elements and symbols that you should know: Part 1 – The obvious ones: <ul><li>Hydrogen </li></ul><ul><li>Helium </li></ul>...
Some more obvious ones: <ul><li>Sulphur </li></ul><ul><li>Chlorine </li></ul><ul><li>Argon </li></ul>18) Calcium 19) Zinc ...
Polyatomic ions  (-1 charge) <ul><li>H2PO4 DiHydrogen phosphate </li></ul><ul><li>C2H3O2 Acetate </li></ul><ul><li>HSO3 Hy...
Polyatomic ions  (-2 charge) <ul><li>HPO4 Hydrogen Phosphate </li></ul><ul><li>C2O4 Oxalate </li></ul><ul><li>SO3 Sulfite ...
Polyatomic ions  (-3 charge) <ul><li>PO3 Phosphite </li></ul><ul><li>PO4 Phosphate </li></ul>
Rule 1–  If two identical elements combine then the name doesn’t change <ul><li>This happens with the following elements: ...
Rule 2 –  When two elements join and one is a halogen, oxygen or sulphur the name ends with ____ide e.g. Magnesium + oxyge...
<ul><li>Potassium + hydrogen + oxygen </li></ul><ul><li>Lithium + hydrogen + oxygen </li></ul><ul><li>Calcium + hydrogen +...
Rule 4 –  When three or more elements combine and one of them is oxygen the ending is _____ate e.g. Copper + sulphur + oxy...
Covalent formulae Ionic formulae H 2 O CO 2 NH 3 H 2 O 2 N 2 SO 2 Water Carbon dioxide Ammonia Hydrogen Oxygen Nitrogen Su...
This powerpoint was kindly donated to  www.worldofteaching.com http://www.worldofteaching.com  is home to over a thousand ...
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Nomenclature

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Nomenclature

  1. 1. Naming Compounds, cations and anions
  2. 2. Elements and symbols that you should know: Part 1 – The obvious ones: <ul><li>Hydrogen </li></ul><ul><li>Helium </li></ul><ul><li>Lithium </li></ul><ul><li>Beryllium </li></ul><ul><li>Boron </li></ul><ul><li>Carbon </li></ul><ul><li>Nitrogen </li></ul><ul><li>Oxygen </li></ul><ul><li>Fluorine </li></ul><ul><li>Neon </li></ul><ul><li>Magnesium </li></ul><ul><li>Aluminium </li></ul><ul><li>Silicon </li></ul><ul><li>Phosphorus </li></ul>H He Li Be B C N O F Ne Mg Al Si P
  3. 3. Some more obvious ones: <ul><li>Sulphur </li></ul><ul><li>Chlorine </li></ul><ul><li>Argon </li></ul>18) Calcium 19) Zinc The less obvious ones: <ul><li>Sodium </li></ul><ul><li>Potassium </li></ul><ul><li>Iron </li></ul><ul><li>Copper </li></ul><ul><li>Silver </li></ul>6) Tin 7) Gold 8) Mercury 9) Lead S Cl Ar Ca Zn Na K Fe Cu Ag Sn Au Hg Pb
  4. 4. Polyatomic ions (-1 charge) <ul><li>H2PO4 DiHydrogen phosphate </li></ul><ul><li>C2H3O2 Acetate </li></ul><ul><li>HSO3 Hydrogen Sulfite </li></ul><ul><li>HCO3 Hydrogen Carbonate </li></ul><ul><li>NO2 Nitrite </li></ul><ul><li>NO3 Nitrate </li></ul><ul><li>CN Cyanide </li></ul><ul><li>OH Hydroxide </li></ul><ul><li>MnO4 Permanganate </li></ul><ul><li>ClO Hypochlorite </li></ul><ul><li>ClO2 Chlorite </li></ul><ul><li>ClO3 Chlorate </li></ul><ul><li>ClO4 Perchlorate </li></ul>
  5. 5. Polyatomic ions (-2 charge) <ul><li>HPO4 Hydrogen Phosphate </li></ul><ul><li>C2O4 Oxalate </li></ul><ul><li>SO3 Sulfite </li></ul><ul><li>SO4 Sulfate </li></ul><ul><li>CO3 Carbonate </li></ul><ul><li>CrO4 Chromate </li></ul><ul><li>Cr2O7 Dichromate </li></ul><ul><li>SiO3 Silicate </li></ul>
  6. 6. Polyatomic ions (-3 charge) <ul><li>PO3 Phosphite </li></ul><ul><li>PO4 Phosphate </li></ul>
  7. 7. Rule 1– If two identical elements combine then the name doesn’t change <ul><li>This happens with the following elements: </li></ul><ul><li>H 2 </li></ul><ul><li>N 2 </li></ul><ul><li>O 2 </li></ul><ul><li>F 2 </li></ul><ul><li>Cl 2 </li></ul><ul><li>Br 2 </li></ul>These elements always go around in pairs (diatomic molecules). For example, hydrogen looks like this:
  8. 8. Rule 2 – When two elements join and one is a halogen, oxygen or sulphur the name ends with ____ide e.g. Magnesium + oxygen magnesium oxide <ul><li>Sodium + chlorine </li></ul><ul><li>Magnesium + fluorine </li></ul><ul><li>Lithium + iodine </li></ul><ul><li>Chlorine + copper </li></ul><ul><li>Oxygen + iron </li></ul><ul><li>KBr </li></ul><ul><li>LiCl </li></ul><ul><li>CaO </li></ul><ul><li>MgS </li></ul><ul><li>KF </li></ul>
  9. 9. <ul><li>Potassium + hydrogen + oxygen </li></ul><ul><li>Lithium + hydrogen + oxygen </li></ul><ul><li>Calcium + hydrogen + oxygen </li></ul><ul><li>Mg(OH) 2 </li></ul>Rule 3 – When three or more elements combine and two of them are hydrogen and oxygen the name ends with hydroxide e.g. Sodium + hydrogen + oxygen Sodium hydroxide
  10. 10. Rule 4 – When three or more elements combine and one of them is oxygen the ending is _____ate e.g. Copper + sulphur + oxygen Copper sulphate <ul><li>Calcium + carbon + oxygen </li></ul><ul><li>Potassium + carbon + oxygen </li></ul><ul><li>Calcium + sulphur + oxygen </li></ul><ul><li>Magnesium + chlorine + oxygen </li></ul><ul><li>Calcium + oxygen + nitrogen </li></ul><ul><li>AgNO 3 </li></ul><ul><li>H 2 SO 4 </li></ul><ul><li>K 2 CO 3 </li></ul>
  11. 11. Covalent formulae Ionic formulae H 2 O CO 2 NH 3 H 2 O 2 N 2 SO 2 Water Carbon dioxide Ammonia Hydrogen Oxygen Nitrogen Sulphur dioxide NaCl CaCl 2 MgO HCl H 2 SO 4 HNO 3 NaOH Ca(OH) 2 CaCO 3 Al 2 O 3 Fe 2 O 3 Sodium chloride Calcium chloride Magnesium oxide Hydrochloric acid Sulphuric acid Nitric acid Sodium hydroxide Calcium hydroxide Calcium carbonate Aluminium oxide Iron oxide
  12. 12. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.
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