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  1. The shape of molecule is included in the present HKAL syllabus. First of all, you have to recognize that the central atom is I, which has 7 valence electrons and expands its octet in forming ICl3. In...

    分類:科學及數學 > 化學 2009年08月01日

  2. ... number that you recorded. From that point, draw a line upward until it intersects with the curve that corresponds...

    分類:科學及數學 > 化學 2008年03月04日

  3. ...of ions that given in the book - colour of ions - the drawing of ionic compound - name of ionic compounds

    分類:科學及數學 > 化學 2007年01月06日

  4. ... propanone for further reaction. for detailed mechanism, i'm too lazy to draw such a thing. just adopt it from http://www.docbrown.info/page06/OrgMechs3.htm...

    分類:科學及數學 > 化學 2011年05月31日

  5. ...and hence a decrease in the the size of the electron cloud. As the electron cloud draws closer to the nucleus, if is more difficult to remove an electron. ...

    分類:科學及數學 > 化學 2009年10月29日

  6. ...it relates to phase equilibrium. YOu are advised to draw a phase diagram and you can see that as the EXTERNAL pressure increases...

    分類:科學及數學 > 化學 2010年08月18日

  7. ... charged or not charged. Actually, knowing to draw resonance hybrid in A. Level is a bit of out of syllabus. ...

    分類:科學及數學 > 化學 2007年12月14日

  8. ... to unstable combustion. when air hole is opened, air is drawn into the burner through the air hole; air and town gas has already mixed...

    分類:科學及數學 > 化學 2010年10月08日

  9. ..., since service life depends on how large the current is drawn from the cell. Say if an AAA cell is used for ...

    分類:科學及數學 > 化學 2009年02月27日

  10. ...)2 + H2O + CO2 2. I really don't know how to draw it here. You can draw a funnel on top of a beaker. The funnel ...

    分類:科學及數學 > 化學 2008年03月19日