| Ordnungszahl: |
30 |
| Name: |
Zinc |
| Namensursprung: |
German: zink (German for tin). |
| Entdeckung: |
Known to the ancients. |
| Beschreibung: |
Bluish-silver, ductile metal. |
| Vorkommen: |
Found in the minerals zinc blende (sphalerite) (ZnS), calamine, franklinite, smithsonite (ZnCO3), willemite, and zincite (ZnO). |
| Verwendung: |
Used to coat other metal (galvanizing) to protect them from rusting. Also used in alloys such as brass, bronze, nickel. Also in solder, cosmetics and pigments. |
| Gruppe: |
Metal |
| Atomgewicht: |
65.39 |
| Schmelzpunkt: |
419.58°C |
| Siedepunkt: |
907°C |
| Dichte bei 293 K: |
7.14 g/cm³ |
| Aggregatszustand bei Raumtemperatur: |
Solid |
| Schalen: |
2,8,18,2 |
| Orbitale: |
[Ar] 3d10 4s2 |
| Valenzen: |
2 |
| 1. Ionisierungs- potential: |
9.3941 V |
| 2. Ionisierungs- potential: |
17.964 V |
| 3. Ionisierungs- potential: |
39.722 V |
| Atomradius: |
1.53 Å |
| Spezifische Wärme: |
0.39 J/gK |
| Verdampfungswärme: |
115.30 kJ/mol |
| Schmelzwärme: |
7.322 kJ/mol |
| Thermischer Ausdehnungskoeffizient: |
30.2 10-6 K-1 |
| Röntgenemission Energie / Wellenlänge: |
| |
KA |
KB |
LA |
LB |
MA |
MB |
|
|
|
| eV |
8631.44 |
9572.31 |
1011.79 |
1034.68 |
78.972 |
0 |
|
|
|
| Å |
1.43644 |
1.29525 |
12.2541 |
11.983 |
156.999 |
0 |
|
|
|
|
| Röntgenabsorption Energie / Wellenlänge: |
| |
K |
L-I |
L-II |
L-III |
M-I |
M-II |
M-III |
M-IV |
M-V |
| eV |
9659 |
1194 |
1043 |
1020 |
0 |
90.5 |
86.2 |
0 |
0 |
| Å |
1.28363 |
10.384 |
11.8874 |
12.1554 |
0 |
137 |
143.835 |
0 |
0 |
|
| Röntgen Fluoreszenz Ausbeute: |
| |
KA |
KB |
LA |
LB |
MA |
MB |
|
|
|
| |
47.9% |
0% |
0.7% |
0% |
0% |
0% |
|
|
|
|
| Nuklide: |
| |
Anteil |
Gewicht |
Spin |
Halbwertszeit |
Zerfallsmodus |
| Zn62 |
0% |
62 |
0 |
9.26h |
EC,β+ |
| Zn63 |
0% |
63 |
0 |
38.5m |
β+,EC |
| Zn64 |
48.6% |
63.9291 |
0 |
|
Stable |
| Zn65 |
0% |
64.926 |
5/2 |
243.8d |
EC,β+ |
| Zn66 |
27.9% |
65.926 |
0 |
|
Stable |
| Zn67 |
4.1% |
66.9271 |
5/2 |
|
Stable |
| Zn68 |
18.8% |
67.9248 |
0 |
|
Stable |
| Zn69 |
0% |
69 |
1/2 |
55.6m |
β- |
| Zn69m |
0% |
69 |
9/2 |
13.76h |
IT,β- |
| Zn70 |
0.6% |
69.9253 |
0 |
|
Stable |
| Zn72 |
0% |
72 |
0 |
46.5h |
β- |
|
