AS OCR A Chemistry Core Questions

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Report Tue 15th March, 2016 @ 12:42

Report Mon 21st March, 2016 @ 14:26

hi VdbV how are you? :))

Report Mon 24th October, 2016 @ 23:49

thanks

Report Wed 23rd November, 2016 @ 08:31

AMAZING RESOURCE!!! Maybe add to the first definition

the same number of protons because the spec has changed a bit and you have to say the same number of protons to get full mark

Report Fri 14th July, 2017 @ 09:35

where's salters B : ( ?

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