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    Bonding between sodium and chloride ? Did anyone write that sodium gives an electron to chlorine so it has a positive charge and chlorine gains it and becomes negative both have a full outer she'll?
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    what the hell was that C3 five marker
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    (Original post by JG12333)
    For the ions question did we have to put the actual ion symbol eg fe2+ or could we write iron
    I think you would have to write iron (|||) or (||)


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    (Original post by Jamesosborne)
    Bonding between sodium and chloride ? Did anyone write that sodium gives an electron to chlorine so it has a positive charge and chlorine gains it and becomes negative both have a full outer she'll?

    yeah perfect answer
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    (Original post by Jamesosborne)
    Bonding between sodium and chloride ? Did anyone write that sodium gives an electron to chlorine so it has a positive charge and chlorine gains it and becomes negative both have a full outer she'll?
    yeah never put the full outer shell bit, I talked about electrostatic attraction/:
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    (Original post by rumana101)
    yeah but could you put K-for potassium etc
    don't see why not, usually the mark scheme says allow this.
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    (Original post by Nomes24)
    don't see why not, usually the mark scheme says allow this.
    i hope so): if not I've just lost 5 marks!!!
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    did you guys get PB2O3
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    (Original post by rumana101)
    i hope so): if not I've just lost 5 marks!!!
    I think it would be very harsh if they didn't let you have that!
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    (Original post by LauraAdrianna)
    did you guys get PB2O3
    yeah thats the right answer
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    (Original post by LauraAdrianna)
    did you guys get PB2O3
    Yes. But not everyone here's a guy (although I am).
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    (Original post by LauraAdrianna)
    what the hell was that C3 five marker
    The advantages of using an ion exchange over adding sodium hydroxide one?
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    What was the answer to the very last question on c3
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    I put for the ions test
    barium - green
    Sodium-orange
    Chloride-cream
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    (Original post by LauraAdrianna)
    what the hell was that C3 five marker
    🙌 I would be surprised if I even bagged one mark on that 😒
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    (Original post by Palette)
    Would they allow alumina​ for bauxite?
    alumina was the answer
    :P
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    Has anyone noticed that none of the six markers were really anything to do with proper science?
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    Community Assistant
    (Original post by RotomGuy)
    People found C3 hard? I thought it was really easy, and C2 was the hard one.
    Same
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    (Original post by Terrydaktal)
    alumina was the answer
    :P
    YES!!!!

    thanks.
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    (Original post by Terrydaktal)
    alumina was the answer
    :P
    I wrote aluminium oxide
 
 
 
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