I am planing to do physics at A-Levels so I will learn about it and enjoy it cuz I love science(Original post by morgan8002)
It's not GCSE. I think it is touched on at the end of A2 physics, but I'm not sure.
It is interesting though.
R u doing A-Levels right now?
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- 08-01-2015 20:19
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morgan8002
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- 08-01-2015 20:28
(Original post by Fallen99)
I am planing to do physics at A-Levels so I will learn about it and enjoy it cuz I love science
R u doing A-Levels right now? -
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- 08-01-2015 20:33
(Original post by morgan8002)
Yeah, you asked me on your A-level choices thread. -
Zeetingman
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- 13-01-2015 18:49
(Original post by Fallen99)
An atom/molecule with greater bonds but the same particles will have less mass. I don't get this sorry -
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- 13-01-2015 18:52
(Original post by Zeetingman)
Ive got an exam on Friday, its a chemistry one im dreading it!! -
Zeetingman
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- 13-01-2015 19:00
Electrolysis
Everything about Electrolysis I don't understand, the cathode and anode stuff. I know that they're postitive and negative but its just which atoms will be positive. The stuff formed in electrolysis, how do you work out what will be formed.
Thanks!! I really struggle with Chemistry even with revision guides. My parents are buying me mygcsescience though -
morgan8002
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- 13-01-2015 19:12
(Original post by Zeetingman)
There is alot...
Electrolysis
Everything about Electrolysis I don't understand, the cathode and anode stuff. I know that they're postitive and negative but its just which atoms will be positive. The stuff formed in electrolysis, how do you work out what will be formed.
Thanks!! I really struggle with Chemistry even with revision guides. My parents are buying me mygcsescience though
Anode-positive
Cation-positive
Cathode-negative
The ions move to the oppositely charged(similarly named) electrode.
You should normally have equations to remember rather than rules, but generally any atom/group will take its usual ionic charge.(eg Cl-, Na+, H+, O2-) -
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- 13-01-2015 19:17
(Original post by Zeetingman)
There is alot...
Electrolysis
Everything about Electrolysis I don't understand, the cathode and anode stuff. I know that they're postitive and negative but its just which atoms will be positive. The stuff formed in electrolysis, how do you work out what will be formed.
Thanks!! I really struggle with Chemistry even with revision guides. My parents are buying me mygcsescience though
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Zeetingman
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- 13-01-2015 21:32
(Original post by morgan8002)
Anion-negative
Anode-positive
Cation-positive
Cathode-negative
The ions move to the oppositely charged(similarly named) electrode.
You should normally have equations to remember rather than rules, but generally any atom/group will take its usual ionic charge.(eg Cl-, Na+, H+, O2-) -
morgan8002
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- 13-01-2015 21:38
(Original post by Zeetingman)
Thanks mind giving me a common exam question? -
Zeetingman
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- 13-01-2015 21:48
(Original post by Fallen99)
So it's electrolysis... so we r gonna do electrolysis of Aluminumoxide. All it happens in electrolysis is ions changing to atom So basically Al is metal so it losses 3 electrons to become Al3+ so it goes to cathode (Negative) and gain 3 electrons to become Al. On the other end O loses gain 2 electron to become O2- so it goes to anode (Positive) to lose 2 electrons to become O. This happens when the Aluminumoxide is molten .
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- 13-01-2015 21:50
(Original post by Zeetingman)
Do you have any common GCSE questions you can ask me on electrolysis?
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