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Group19-index

Page history last edited by Gina Lam 14 years, 1 month ago

 

 

 

 

 

Compiled by:

 

 

Farzana Afrin

Zeinab Ahmed

Mai Ghannam

Gina Lam

 

 

 

     Organic halides are a group of chemicals containing halogens from group 7 on the periodic table bonded with hydrocarbons. These include many common products, such as Freons (chlorofluorocarbons or CFCs) that are used in refrigerators and air conditioners, and Teflon (polytetrafluoroethene), which is a nonstick coating used in cookware and labware. They can also be found in nature where it may be benificial to an organism. While we use some organic halides in our everyday, lives, many others are toxic and some are also carcinogenic, so their benefits must weighed against potential hazards. Two such compounds, the insecticide DDT (dichlorodiphenyltrichloroethane) and PCBs (polychlorinated biphenyls) used in an electrical transformer, have been banned because of public concern of toxicity.

 

 

 

                                                                                                               

 

 

 

Comments (Show all 86)

Zeinab Ahmed said

at 10:51 pm on Mar 7, 2010

never mind gina, i found an old chemistry textbook at home and it had info on organic halides and i added it to the intro.

Zeinab Ahmed said

at 10:34 pm on Mar 7, 2010

gina, we need to include at least one paper reference (zina said it'd give us a higher level). can we use the chemistry textbook, see what info we can get from there and reference it

Mai Ghannam said

at 9:20 pm on Mar 7, 2010

i'm on msn now

Zeinab Ahmed said

at 9:19 pm on Mar 7, 2010

i'm on msn

ok, if you look at the options page, there's things on there that take up a LOT of space (like 398 KB and 1000 something KB) that have to do with our topic, but that we didn't use in any of our pages (like the pdf that Mai sent us way back when)

so i think maybe that's what takes up a lot of the space.... so hopefully we're fine

Mai Ghannam said

at 9:17 pm on Mar 7, 2010

or the ones i have right now on some of the pages

Farzana Afrin said

at 9:16 pm on Mar 7, 2010

do u mean from the backgrounds from yesterday?
go on msn
guysss

Mai Ghannam said

at 9:15 pm on Mar 7, 2010

what kinda background do you guys want? i'm getting tired of repeating myself

Mai Ghannam said

at 9:14 pm on Mar 7, 2010

i'm not an angel

Farzana Afrin said

at 9:14 pm on Mar 7, 2010

lol for a sec there mai... i thought u just swore lol

Mai Ghannam said

at 9:13 pm on Mar 7, 2010

**he'll be

Gina Lam said

at 9:13 pm on Mar 7, 2010

oh god

Mai Ghannam said

at 9:13 pm on Mar 7, 2010

cuz hell blinded by our project:D

Zeinab Ahmed said

at 9:11 pm on Mar 7, 2010

but it was 370 when we had most of our info already on

oh well.... hopefully he won't care too much....

Mai Ghannam said

at 9:09 pm on Mar 7, 2010

by a bit, no big deal

Zeinab Ahmed said

at 9:08 pm on Mar 7, 2010

i know that it's for everything

but our's is still more than 30 MG

b/c before, yesterday, i checked and it was at 370 for me, but now, it's at 415

415- 370 = more than 30

Mai Ghannam said

at 9:06 pm on Mar 7, 2010

so lets go back to the background thing
any preferences?

Mai Ghannam said

at 9:05 pm on Mar 7, 2010

its for everything on the site, like the sample wikis and all their files soo, we're good
***sigh***
dont do that to me zeinab

Zeinab Ahmed said

at 9:04 pm on Mar 7, 2010

the 400 includes all your labs and the sample wikis and the main front page and everything

but before, i checked, and mine was 370 MG when we had most of our info on, and now it's 415 for me

Farzana Afrin said

at 9:03 pm on Mar 7, 2010

guysss
calm down ... if u look at teh examples ... they use alot more info than us
so i think were ok

stop worrying :P

Mai Ghannam said

at 9:03 pm on Mar 7, 2010

there are alot of pics i uploaded but we dont need

Mai Ghannam said

at 9:02 pm on Mar 7, 2010

OMG, it needs 30MB and we have 400

Mai Ghannam said

at 9:00 pm on Mar 7, 2010

did he say 30 GB or 30MB?

Mai Ghannam said

at 8:59 pm on Mar 7, 2010

we need a nice title like the others for the conlclusion

Zeinab Ahmed said

at 8:59 pm on Mar 7, 2010

!!!!!!!

YOU GUYS, I'M PRETTY SURE WE HAVE WAY MORE THAN 30 MB (THE LIMIT) CUZ BEFORE WHEN I CHECKED MY TOTAL WIKI WAS 370 MB, AND THAT WAS WHEN MOST OF IT WAS ALREADY ON, AND NOW IT'S 415 MB!!!!!!!!

WE HAVE TO PUT LESS THINGS ON IT!!!!

Farzana Afrin said

at 8:58 pm on Mar 7, 2010

gina ... i added one more reference to the conclusion page cause i added a picture
its not that important so if u dont want to do the referece we can just take the pic out

so is the background the only thing we hav left?

Gina Lam said

at 8:57 pm on Mar 7, 2010

i like the nature one! XD it's sooooo prettyy

Mai Ghannam said

at 8:55 pm on Mar 7, 2010

well? which backgrounds do you like
If you have anything else just put the url in a comment on this page

Mai Ghannam said

at 8:22 pm on Mar 7, 2010

no i guess it slows it down a bit

Zeinab Ahmed said

at 8:21 pm on Mar 7, 2010

no prob

but did you notice that when you scroll down on that page, it's kinda slower than when you scroll down on other pages?

is that only on my computer? or does it even matter?

Mai Ghannam said

at 8:19 pm on Mar 7, 2010

thanks zeinab:D

Zeinab Ahmed said

at 8:18 pm on Mar 7, 2010

it looks bee-youtiful, mai!

Mai Ghannam said

at 8:16 pm on Mar 7, 2010

never mind, i got it check out the nature page

Mai Ghannam said

at 8:01 pm on Mar 7, 2010

i finally remembered how to add a background picture!!!
Gina give me the url for the pic we liked

Zeinab Ahmed said

at 7:48 pm on Mar 7, 2010

i sent you the sources

Gina Lam said

at 7:45 pm on Mar 7, 2010

nono i got the picture sources alrdy hmmm
zeinab @_@

Mai Ghannam said

at 7:36 pm on Mar 7, 2010

for uses i got them from zeinab's a closer look, i don't know what her website was. i guess i can give you the pictures though just give me a few minutes

Gina Lam said

at 7:31 pm on Mar 7, 2010

mai if you're there where did you get the infor for uses? and the pictureS?

Mai Ghannam said

at 6:49 pm on Mar 7, 2010

yes they're the same

Gina Lam said

at 6:48 pm on Mar 7, 2010

wiat but are they the same? kuz in the info it's talking about halogen sooooo iunno and the page name is halides soo i suppose halogens?

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