Chemistry P3 doubts!

[LimeReem]

So i decided to make another topic.. mainly cause i have alot of doubts and its easier to find them this way =3
http://www.xtremepapers.me/CIE/Cambridg ... _qp_31.pdf
2b(ii)

 

[She7taman]

Just draw a big circle, followed by a small circle, followed by a big circle, etc..

Or a circle, followed by a shaded one, then an unshaded one, etc..

Alloys are a mixture of different metals, just make any diagram to show that.

 

[LimeReem]

Just draw a big circle, followed by a small circle, followed by a big circle, etc..

Or a circle, followed by a shaded one, then an unshaded one, etc..

Alloys are a mixture of different metals, just make any diagram to show that.

ohhh i get it now! =DD thanks!

 

[LimeReem]

http://www.xtremepapers.me/CIE/Cambridg ... _qp_31.pdf
what about 5b[iv]?

 

[shan5674]

http://www.xtremepapers.me/CIE/Cambridge%20IGCSE/0620%20-%20Chemistry/0620_w10_qp_31.pdf
what about 5b[iv]?

You draw the same structure that they have drawn in part B just remove the double bond between the 2 carbon atoms and draw the whole thing 3 times as they wanted 3 monomer units

 

[LimeReem]

You draw the same structure that they have drawn in part B just remove the double bond between the 2 carbon atoms and draw the whole thing 3 times as they wanted 3 monomer units

like thiss?

or without the red brackets and n outside? =P

 

[xIshtar]

Yep, think so ;D

 

[shan5674]

yup like that i guess with the brackets and the n outside

 

[breakheart]

http://www.xtremepapers.me/CIE/Cambridg ... 4_qp_3.pdf

look at qs4..part b..ii..
i dont understand the answer. what is the theory behind it etc. plz explain

 

[CaptainDanger]

http://www.xtremepapers.me/CIE/Cambridg ... 4_qp_3.pdf

look at qs4..part b..ii..
i dont understand the answer. what is the theory behind it etc. plz explain

Post the link again please....

 

[breakheart]

http://www.xtremepapers.me/CIE/Cambridg ... 4_qp_3.pdf
look at qs4..part b..ii..
i dont understand the answer. what is the theory behind it etc. plz explain