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  1. J

    Chemistry - general thoughts on the exam

    It was quite good I thought, except I ran out of time for 2 questions BTW bobness- The times given don't account for daylight savings.
  2. J

    Why was the 3 unit paper so hard?

    Although I found it difficult at the time, I took the test home and did it at and found it reasonable. The main problem was time. Alot of working out was involved and an extra 20 minutes would have made it alot easier. I had more incomplete answers rather than incorrect (I think)
  3. J

    Neutron-Neutron particles?

    I read that the strong nuclear force is effective between -protons and protons -protons and neutrons and -neutrons and neutrons So why aren't there nucleii made entirely of neutrons, or just two neutrons by themselves? There is no electrostatic forces holding them apart, so the strong force...
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