2007-06-06 00:38:26 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
http://www.webelements.com
I forget the diameter of Co
2007-06-06 00:44:55 · answer #1 · answered by Papilio paris 5 · 0⤊ 1⤋
Atomic properties
Crystal structure hexagonal
Oxidation states 2, 3
(amphoteric oxide)
Electronegativity 1.88 (Pauling scale)
Ionization energies
(more) 1st: 760.4 kJ·molâ1
2nd: 1648 kJ·molâ1
3rd: 3232 kJ·molâ1
Atomic radius 135 pm
Atomic radius (calc.) :152 pm
Covalent radius :126 pm
2007-06-06 01:23:05 · answer #2 · answered by Save_Us.925 2 · 0⤊ 0⤋
http://www.chemicool.com/elements/cobalt.html
atomic radius is 125pm
times2 gives 250pm, or 0.25nm
2007-06-06 01:00:06 · answer #3 · answered by chem_freak 5 · 0⤊ 0⤋
124.3ppm=0.1243nm
see the link
2007-06-06 01:10:25 · answer #4 · answered by maussy 7 · 0⤊ 1⤋