Naming of acid  ok1294991670
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Naming of acid ok1294991670 Presentation Transcript

  • 1. Naming Compounds, cations and anions
  • 2. Elements and symbols that you should know: Part 1 – The obvious ones:
    • Hydrogen
    • Helium
    • Lithium
    • Beryllium
    • Boron
    • Carbon
    • Nitrogen
    • Oxygen
    • Fluorine
    • Neon
    • Magnesium
    • Aluminium
    • Silicon
    • Phosphorus
    H He Li Be B C N O F Ne Mg Al Si P
  • 3. Some more obvious ones:
    • Sulphur
    • Chlorine
    • Argon
    18) Calcium 19) Zinc The less obvious ones:
    • Sodium
    • Potassium
    • Iron
    • Copper
    • Silver
    6) Tin 7) Gold 8) Mercury 9) Lead S Cl Ar Ca Zn Na K Fe Cu Ag Sn Au Hg Pb
  • 4. Polyatomic ions (-1 charge)
    • H2PO4 DiHydrogen phosphate
    • C2H3O2 Acetate
    • HSO3 Hydrogen Sulfite
    • HCO3 Hydrogen Carbonate
    • NO2 Nitrite
    • NO3 Nitrate
    • CN Cyanide
    • OH Hydroxide
    • MnO4 Permanganate
    • ClO Hypochlorite
    • ClO2 Chlorite
    • ClO3 Chlorate
    • ClO4 Perchlorate
  • 5. Polyatomic ions (-2 charge)
    • HPO4 Hydrogen Phosphate
    • C2O4 Oxalate
    • SO3 Sulfite
    • SO4 Sulfate
    • CO3 Carbonate
    • CrO4 Chromate
    • Cr2O7 Dichromate
    • SiO3 Silicate
  • 6. Polyatomic ions (-3 charge)
    • PO3 Phosphite
    • PO4 Phosphate
  • 7. Rule 1– If two identical elements combine then the name doesn’t change
    • This happens with the following elements:
    • H 2
    • N 2
    • O 2
    • F 2
    • Cl 2
    • Br 2
    These elements always go around in pairs (diatomic molecules). For example, hydrogen looks like this:
  • 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
    • Sodium + chlorine
    • Magnesium + fluorine
    • Lithium + iodine
    • Chlorine + copper
    • Oxygen + iron
    • KBr
    • LiCl
    • CaO
    • MgS
    • KF
  • 9.
    • Potassium + hydrogen + oxygen
    • Lithium + hydrogen + oxygen
    • Calcium + hydrogen + oxygen
    • Mg(OH) 2
    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. 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
    • Calcium + carbon + oxygen
    • Potassium + carbon + oxygen
    • Calcium + sulphur + oxygen
    • Magnesium + chlorine + oxygen
    • Calcium + oxygen + nitrogen
    • AgNO 3
    • H 2 SO 4
    • K 2 CO 3
  • 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