Zinc
| General
|
| Name, symbol, atomic number
|
Zinc, Zn, 30
|
| series
|
transition metals
|
| group, period, block
|
12, 4, d
|
| Look
|
bluish pale grey
|
| CAS number
|
7440-66-6
|
| Mass fraction of the Earth's shell
|
0.01%
|
| Atomic
|
| atomic mass
|
65,409 &
|
| atomic radius (calculated)
|
135 (142) pm
|
| covalent radius
|
131 pm
|
| Van der Waals radius
|
139 pm
|
| electron configuration
|
[are] 3d 10 4s 2
|
| Electrons per energy level
|
2, 8, 18, 2
|
| 1. Ionization Energy
|
906.4 kJ/mol
|
| 2. Ionization Energy
|
1733.3 kJ/mol
|
| Physically
|
| physical state
|
fixed
|
| modifications
|
one
|
| crystal structure
|
hexagonal
|
| density
|
7.14 g/cm 3
|
| Mohs hardness
|
2.5
|
| magnetism
|
diamagnetic
|
| melting point
|
692.68K (419.5°C)
|
| boiling point
|
1180K (907°C)
|
| molar volume
|
9.16 x 10 -6 m 3 /mol
|
| heat of vaporization
|
119 kJ/mol
|
| heat of fusion
|
7.35kJ/mol
|
| vapor pressure
|
192.2 Pa at 692.73 K
|
| speed of sound
|
3700 m/s at 293.15 K
|
| Specific heat capacity
|
390 J/(kg K)
|
| Electric conductivity
|
16.9 x 10 6 s/m
|
| thermal conductivity
|
120 W/(m K)
|
| chemical
|
| oxidation states
|
2
|
| oxides (basicity)
|
(amphoteric)
|
| normal potential
|
-0.762V (Zn 2+ + 2e - ? Zn)
|
| electronegativity
|
1.65 (Pauling scale)
|
| isotopes
|
| isotope
|
NH
|
t 1/2
|
ZM
|
ZE MeV
|
ZP
|
| 64 Zn
|
48.6 %
|
Stable
|
| 65 Zn
|
{syn.}
|
244.06d
|
ß
| 1,352
|
65 Cu
|
|
| 66 Zn
|
27.9%
|
Stable
|
| 67 Zn
|
4.1%
|
Stable
|
| 68 Zn
|
18.8%
|
Stable
|
| 69 Zn
|
{syn.}
|
56.4 mins
|
ß -
|
0.906
|
69 ga
|
| 70 Zn
|
0.6%
|
Stable
|
|
The above information does not claim to be complete or correct.
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