Question

What is the formula of a compound formed between iodine & aluminum?

Answer 1

@michelle_DrNiah c:

Answer 2

do you know what type of ion each species forms?

Answer 3

no

Answer 4

Al forms \(Al^{3+}\) and I forms \(I^-\)

now you need to combine them in such a way that the charges cancel out, meaning that it's neutral.

Answer 5

Al = +3 I= -1 Cross multiply the charges Al * 1 and I * 3 Al I3

Answer 6

aluminum iodide AlI3, also called aluminum triiodide

Answer 7

thank you!

Answer 8

wait and the second question igave you, thats the aluminum? :s meh chem confuses me to easily

Answer 9

Your welcome mija:j

Answer 10

Oh post that too but a separate question :j

Answer 11

haha ookok