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15 Cards in this Set
- Front
- Back
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Oxidisation vs Reduction |
Oxidisation is the loss of electrons Reduction is the gain |
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Sulphate |
S04 2- |
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Carbonate |
C03 2- |
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Nitrate |
NO3 - |
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Ammonium |
NH4 + |
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What is ionic bonding |
Strong Electrostatic attraction between oppositely charged ions |
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What is covalent bonding |
Strong attraction between the bonding pair of electrons and the nuclei of atoms involved in the bond |
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Why is diamond strong |
Rigid 3D network of strong covalent bonds |
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What is the structure of metal |
Metal ions surrounded by a sea of delocalised electrons |
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Why is metal malleable |
Regular packing of metal ions make it simple for ions to slide over each other |
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Why is metal conductive |
Delocalised electrons are free to move throughout the structure |
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When can ionic compounds conduct electricity |
When molten or in solution |
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How much charge in a mole of electrons |
96000 C |
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How can you test for water? |
Use anhydrous copper(II) sulphate Turns from white to blue |
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Conditions for Hydration of ethene -> ethanol |
passing steam and ethene over phosphoric acid catalyst at 300 C and 60-70 atm |
