Homework Help: CHEM

Posted by K on Tuesday, November 13, 2007 at 7:45pm.

Arrange the following elements in order of decreasing atomic radius:

Cs, Sb, S, Pb, Se

*(list from largest to smallest...or..."the correct ranking cannot be determined")

***I think the answer 'should be', from largest to smallest:

***Cs, Pb, Sb, Se, S***????

Am I correct in my thinking????

**CHEM** - DrBob222, Tuesday, November 13, 2007 at 8:02pm
My periodic chart lists covalnt radius, as you have them listed as follows (all in Angstroms):
2.35; 1.47; 1.40;, 1.17; 1.02. Looks right to me.
**CHEM** - K, Tuesday, November 13, 2007 at 8:37pm
this order came up being correct. Thank you
**CHEM** - Li, Monday, November 19, 2007 at 6:27pm
S, Se Sb, Pb, Cs
**CHEM** - oria, Sunday, July 17, 2011 at 10:15pm
Determine the mass of a ball with a velocity of 35.1 m/s and a wavelength of 8.92 x 10-34 m.

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Homework Help: **CHEM**

Homework Help: CHEM