1. Mar 18, 2007 #1

   hlxworenwei

   

   Pb2+, La3+, Ti4+, O2-
   
   I am very grateful for your help!

    

   hlxworenwei, Mar 18, 2007
2. 
   Phys.org - latest science and technology news stories on Phys.org

   • • Physicists determine how a promising lead-free material works
   • • Islands of cooperating atoms jam like ice floes as a liquid becomes like glass
   • • Lab develops way to spot defects inside hard-to-image materials
3. Mar 21, 2007 #2

   interested_learner

   

   Atoms don't have precise radii. See:
   
   http://www.chemguide.co.uk/atoms/properties/atradius.html
   
   and
   
   http://en.wikipedia.org/wiki/Ionic_radius
   
   for good discussions.

    

   interested_learner, Mar 21, 2007
4. Mar 25, 2007 #3

   Astronuc

   

   Staff: Mentor

   Webelements has such information.
   
   
   For example -
   
   http://www.webelements.com/webelements/elements/text/Pb/radii.html
   
   http://www.webelements.com/webelements/elements/text/La/radii.html
   http://www.webelements.com/webelements/elements/text/La/vrad.html
   
   Just substitute the element's symbol in the links. Note that there are different ways to measure the radius, or the radius depends on the compound.

    

   Astronuc, Mar 25, 2007

• Log in with Facebook
• Log in with Twitter

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in