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CHEM CONSULTATION
Few days ago had chem consultation which was helpful..ALOT! i manage to clear my doubts and ask dying chem question plus i also have a chance to teach some of me classmates on why aluminium chloride is covalent bond while aluminuim fluoride is ionic bond..LOL! So i manage to learn quite a chunk and during chem SPA we did some discussions regarding the lemon juice experiment.Which will be conducted next week.GO LEMONS!
Thursday, May 7, 2009 @ 8:09 AM
More on chem bond..
Today got back my atomic structure test..Gah! well,i can say that i failed again..this was due to carelessness and lack of understanding for I.E *sigh* WHY MUST I ALWAYS FAIL CHEM!! OF ALL MY H2 SUBJECTS! grrr...i am kinda unhappy about this..SO UNHAPPY..i guess i really have to work harder in order to catch up and well hopefully do well for promos..
Well, learned new stuff in chem bonding.Van der waals attractions,Permanent dipole-dipole attractions and hydrogen bond.
For Van der waals forces,it is an induced dipole0dipole attraction,non-polar molecules and molecules are induced at different time.Therefore,it has different electrons distributions and are very weak.
For permanent dipole-dipole and hydrogen bond still have to read up xD hehe...
And there is like chem hmwk to do!!! TTYL =)