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purker

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Everything posted by purker

  1. I don't really want somebody to do it for me but explain what I should do and think about
  2. Can somebody please tell me in what I should do in this question and how to work it out and also explain what the difference is when it says "excess" or not being excess. thanks
  3. So i was given these questions to do by my teacher and for 27, not only was she unable to help with the question but even didnt know about shapes of molecules. Can somebody pls teach how I can identify shapes from just looking at an equation plss. Also, my teacher couldnt even do 17.... shes the one who gave out the homework... i really need help cheers
  4. Can Somebody pls show or explain how the dot and cross diagram works in this question. I've tried drawing in many different ways but this ones a little weird. cheers
  5. Well that's what I'm trying to find but I dont know why the answer is C
  6. Can anyone pls explain how I can answer this without really giving away the answer (even tho it mite be bery obvious) cheers
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