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Chemistry Forums for Students => High School Chemistry Forum => Topic started by: EI88 on August 14, 2005, 04:56:32 PM

Title: Question on determining which species is smallest in size
Post by: EI88 on August 14, 2005, 04:56:32 PM

I haven't taken Chem in a year and I've forgotten alot of things. Taking AP Chem this year and doing summer assignment now. I'm stuck on a question:
Which of the following species is smallest in size?
A. Cl
B. I
C. Cl-
D. I-
I know the answer is A, but I would like to know how to get to that answer. Thanks for the help.

Title: Re:Question on determining which species is smallest in size
Post by: JZ_1 on August 14, 2005, 06:26:54 PM

I dunno if this has any help....

http://xenon.che.ilstu.edu/genchemhelphomepage/topicreview/bp/ch7/size.html

Go down to the section with the name
"The Relative Size of Atoms and Their Ions"

Title: Re:Question on determining which species is smallest in size
Post by: EI88 on August 14, 2005, 06:36:44 PM

Thanks ;)