വനേഡിയം, 00V |
|
Pronunciation | (və-NAY-dee-əm) |
---|
Appearance | silver-grey metal |
---|
|
|
| ഫലകം:Infobox element/standard atomic weight format |
---|
|
|
|
Group | group 5 |
---|
Period | period 4 |
---|
Block | d-block |
---|
Electron configuration | [Ar] 3d3 4s2 |
---|
Electrons per shell | 2, 8, 11, 2 |
---|
|
Phase at STP | ഖരം |
---|
Melting point | 2183 K (1910 °C, 3470 °F) |
---|
Boiling point | 3680 K (3407 °C, 6165 °F) |
---|
Density (near r.t.) | 6.0 g/cm3 |
---|
when liquid (at m.p.) | 5.5 g/cm3 |
---|
Heat of fusion | 21.5 kJ/mol |
---|
Heat of vaporization | 459 kJ/mol |
---|
Molar heat capacity | 24.89 J/(mol·K) |
---|
Vapor pressure
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
at T (K)
|
2101
|
2289
|
2523
|
2814
|
3187
|
3679
|
|
|
Oxidation states | −3, −1, +1, +2, +3, +4, +5 (an amphoteric oxide) |
---|
Electronegativity | Pauling scale: 1.63 |
---|
Ionization energies | |
---|
Atomic radius | empirical: 135 pm calculated: 171 pm |
---|
Covalent radius | 125 pm |
---|
Spectral lines of വനേഡിയം |
|
Natural occurrence | primordial |
---|
Crystal structure | body-centered cubic (bcc) |
---|
Speed of sound thin rod | 4560 m/s (at 20 °C) |
---|
Thermal expansion | 8.4 µm/(m⋅K) (at 25 °C) |
---|
Thermal conductivity | 30.7 W/(m⋅K) |
---|
Electrical resistivity | 197 n Ω⋅m (at 20 °C) |
---|
Magnetic ordering | paramagnetic |
---|
Young's modulus | 128 GPa |
---|
Shear modulus | 47 GPa |
---|
Bulk modulus | 160 GPa |
---|
Poisson ratio | 0.37 |
---|
Mohs hardness | 6.7 |
---|
CAS Number | 7440-62-2 |
---|
|
Template:infobox വനേഡിയം isotopes does not exist |
വർഗ്ഗം: വനേഡിയം | references |