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I was just wondering if anyone knows what the flame colour of mercury is??? I can't find any info (haven't really looked) but i would much appreciate any posts. P.s: i find it very ironic that mercury has been practically baned in schools yet it is in the HSC chemistry syllabus. EDIT: Sorry...

I agree with Affinity " try it .. you can always drop it if you don't like it after a while." its reallly not that bad. You will know whether you are naturally talented at maths, if so go nuts, otherwise you may need to reconsider. I think 4u requires some 'natural talent'. Plus 4u is a...

Sorry to disagree but sumtimes i find its the easy Q's that stuff me up. I think it is essential to study All 3u and 4u if you want an awesome mark. i mean like say you forget a formula (e.g dividing an interval into a given ratio, perpendic. dist or perfect cube thingy's) i just don't think i...

"Silly mistakes come from carelessness. Carelessness comes from lack of concentration." brilliant underthesun i totally agree, i used to make so many silly mistakes and was sittin on bout 55% but if you just practice Q's and mainly practice focusing on Q's then UR set. I got 63% in my trial...

WHATs the point of thinkin up substitutions when we have the wonderful differential method!!!!!!!! look it up ppl it is awesome, if you think there's nothin easyier than complex no. i challenge you!!!

I totally agree with "Mathematician" not that it applies to many ppl,on this site but how many boys actually try!!!! I don't really think i shud go around tellin chicks they are stupid but in general i just think boys are better at mathematics, brain chemistry or sumthin. And if the stats...