Yttrium
Y
Yttrium
Transition Metal
Atomic number:
39
Atomic weight:
88.90585
Shells:
2,8,18,9,2
Orbitals:
[Kr] 4d1 5s2
Melting point:
1522°C ±8°C
Boiling point:
3338°C
Covalent radius:
1.62
Å
Atomic volume:
19.8
cm³/mol
Atomic radius:
2.27
Å
Ionic radius:
1.02 (+3)
Å
Electronegativity:
1.22
Oxidation states:
1st ionization pot.:
6.217
V
2nd ionization pot.:
12.24
V
3rd ionization pot.:
20.52
V
Specific heat:
0.30
J/gK
Heat of fusion:
11.40
kJ/mol
Heat of vapor.:
363.0
kJ/mol
Thermal conduct.:
0.172
W/cmK
Electrical conduct.:
0.0166
10^6/cm ohm
Density:
4.47
g/cm³
Valence:
3
