|
Thorium Truss Element
|
Symbol
|
Th
|
| Atomic Number |
90 |
Relative Atomic Mass
12C = 12.0000 |
232.0381
1.40(1) x 1010 year |
| Significant Atomic Mass
|
231
Neutrons 141 |
| Isotope |
230
230.0331
7.54(3) x 104 year |
| Atomic Radius pm |
180 |
First Ionisation Energy
kJ mol -1 |
587 |
| Electronegativity |
1.3 |
| Density kg m -3 |
11720 [293 K] |
| Molar Volume cm 3 |
19.80 |
Thermal Conductivity
W m -1 K -1 |
54.0 [300 K] |
| Melting Point K |
2023 |
| Boiling Point K |
ca. 5060 |
| Number of Isotopes |
25 |
| Inner + outer Shells |
|
| Inner + outer Orbitals |
|
| |
|
???
|
Algorythm of Software
|
 |
 |
|
|
|
| Distribution of electrons |
| |
s |
p |
d |
f |
| 1 |
2 |
|
|
|
| 2 |
2 |
6 |
|
|
| 3 |
2 |
6 |
10 |
|
| 4 |
2 |
6 |
10 |
14 |
| 5 |
2 |
6 |
10 |
|
| 6 |
2 |
6 |
2 |
|
| 7 |
2 |
|
|
|
|
| |
s |
p |
d |
f |
| 1 |
2 |
|
|
|
| 2 |
2 |
6 |
|
|
| 3 |
2 |
6 |
10 |
|
| 4 |
2 |
6 |
10 |
14 |
| 5 |
2 |
6 |
10 |
2 |
| 6 |
2 |
6 |
|
|
| 7 |
2 |
|
|
|
|
| Filling Orbital |
|
|
|
| Ground State Electron Configuration
|
|
|
|
| Ground State Electron Configuration with free
Orbitals (n=27) |
|
|
|
 |
 |
|
Ground State Electron Configuration with compressed
Orbitals (n=162)
|
|
|
|
 |
 |
| |
| Singularity |
|
| |
|
|
s
|
p
|
d
|
f
|
g
|
h
|
i
|
j
|
|
1
|
2
|
|
|
|
|
|
|
|
|
2
|
2
|
6
|
|
|
|
|
|
|
|
3
|
2
|
6
|
10
|
|
|
|
|
|
|
4
|
2
|
6
|
10
|
14
|
|
|
|
|
|
5
|
2
|
6
|
10
|
2
|
12
|
18
|
|
|
|
|
6
|
2
|
6
|
10
|
14
|
18
|
22
|
|
|
|
7
|
2
|
|
10
|
14
|
18
|
22
|
26
|
|
|
8
|
|
|
|
|
|
|
|
|
|
| |
| Term Symbol |
3F 2 |
| Discovery |
Discovered by J.J. Berzelius (Stockholm, Sweden)
in 1829 |
| Name Derived From |
Named after Thor (Norsk god of war)
|
|
