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 Hyd...
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...
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Naming of acid ok1294991670

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Naming of acid ok1294991670

  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

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