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seanchua7

  1. O Level Chemistry: Explain why Sodium Chloride has high MP / BP based on their structural & bonding properties. Try it! You need to know.
  2. O Level Chemistry: Do you know how to define Ionic Bonding & Covalent Bonding using one example for each? This key concepts is Important!
  3. O Level Chemistry: Do you know how to define ISOTOPES?Do you know why Chlorine has a relative molecular mass of 35.5 but not a whole number?
  4. O Level Chemistry: Do you know how to Explain the Difference between Compounds & Mixtures if it is a 4 marks structure question in exam?
  5. O Level Chemistry: Do you know how to define ALLOYS properly? Any ideas of common alloys & the elements that make it up?
  6. O Level Chemistry: Do you know the difference between Elements, Compounds, Mixtures, Atoms & Molecules? Be clear about their defintions =)
  7. O Level Chemistry: describe paper chromatography & interpret chromatograms including comparison with ‘known’ samples & the use of Rf values
  8. O Level Chemistry: describe methods of separations for mixtures (i)solid-solid,(ii) solid-liquid (iii)liquid-liquid (miscible & immiscible)
  9. O Level Pure Chemistry Students - Let's see whether you are aware of some of the key concepts required for you exam? =) You have 1 more day
  10. Time for you to show your Knowledge,Skills & Power.for O Levels Pure Chemistry on Monday. Read your exam questions carefully.It's easy paper
  11. O Level English & Maths are over! Starting tomorrow morning, prepare n look fwd to your Chemistry, Sciences & Humanities! =)
  12. O Levels:Talked to MOE officer in-charge of Chemistry Curriculum & Assessment - Answers for Mole Calculations questions must be in 3 Sig Fig
  13. GCE ‘O’ Level Chemistry Exams – 1 Day & Counting Down Preparation: In previous blogpost, we have discussed on ... http://bit.ly/20rjmF
  14. Materials for 100% Chemistry MCQ Mastery Workshop on 7th November finally done! Gonna make sure i supply the final ammunition for students!
  15. @T_Harv_Eker well said!
  16. western breakfast set @ Casa Verde aft long distance running is heavenly
  17. ran along orchard rd 1st time, feeling is great. Now breakfast @ botanical
  18. More Errors in Marshall Cavendish GCE ‘O’ Level “Chemistry Matters” Textbook – Part 3: If you have been fo... http://bit.ly/4do5zy
  19. @john_yeo hello john..sorry for late late response...was a novice in twitter. i am doing really well. hope you are enjoying also! =)
  20. @keriecooper Life is great...enjoy =)