Основные характеристики 115-го элемента
General
Properties
| Name |
Ununpentium
|
Symbol |
Uup |
| atomic number |
115
|
Atomic weight |
|
| Density @ 293 K |
31.5 g/cm3
|
Atomic volume |
13.45 cm3/mol
|
| Group |
Superheavy elements |
discovered |
1989
|
States
| state (s, l, g) |
s
|
| melting point |
1740 C
|
boiling point |
3530 K |
| Heat of fusion |
kJ/mol
|
Heat of vaporization |
kJ/mol
|
Energies
| 1st ionization energy |
531 kJ/mole
|
electronegativity |
|
| 2nd ionization energy |
1756 kJ/mole
|
electron affinity |
kJ/mole
|
| 3rd ionization energy |
2653 kJ/mole
|
Specific heat |
J/gK
|
| heat atomization |
kJ/mole atoms
|
Appearance
&
Characteristics
| structure |
fcc:
face-centered cubic |
color |
reddish-orange
|
| uses |
Reactor fuel
|
toxicity |
unknown |
| hardness |
mohs
|
characteristics |
Stable |
Reactions
| reaction with air |
|
reaction with 6M HCl |
|
| reaction with 6M HCl |
|
reaction with 15M
HNO3 |
passivated
|
| reaction with 6M
NaOH |
|
Radius
| ionic radius (2- ion) |
pm |
ionic radius (1- ion) |
pm
|
| atomic radius |
pm |
ionic radius (1+ ion) |
pm
|
| ionic radius (2+ ion) |
pm |
ionic radius (3+ ion) |
pm
|
Conductivity
| thermal
conductivity |
6.1
J/m-sec-deg |
electrical
conductivity |
7.09
1/mohm-cm |
| polarizability |
20.5 A^3
|
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