 |
|
| ନାମ, ପ୍ରତୀକ | zinc, Zn |
|---|
| Appearance | silver-gray |
|---|
| ଉଚ୍ଚାରଣ | ZINGK |
|---|
|
|
|
| ପରମାଣୁ କ୍ରମାଙ୍କ (Z) | 30 |
|---|
| ଶ୍ରେଣୀ, ବ୍ଳକ | group 12, d-block |
|---|
| ପର୍ଯ୍ୟାୟ | period 4 |
|---|
| ମୌଳିକ ପ୍ରକାର | transition metal, alternatively considered a post-transition metal |
|---|
| ମାନକ ପରମାଣବିକ ଓଜନ (Ar) | 65.38(2) |
|---|
| ଇଲେକ୍ଟ୍ରୋନ୍ ବିନ୍ୟାସ | [Ar] 3d10 4s2 |
|---|
per shell | 2, 8, 18, 2 |
|---|
|
| ଅବସ୍ଥା | solid |
|---|
| ଗଳନାଙ୍କ | 692.68 K (419.53 °C, 787.15 °F) |
|---|
| ସ୍ଫୁଟନାଙ୍କ | 1180 K (907 °C, 1665 °F) |
|---|
| Density near r.t. | 7.14 g/cm3 |
|---|
| when liquid, at m.p. | 6.57 g/cm3 |
|---|
| Heat of fusion | 7.32 kJ/mol |
|---|
| Heat of | 123.6 kJ/mol |
|---|
| Molar heat capacity | 25.470 J/(mol·K) |
|---|
pressure
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| at T (K)
|
610
|
670
|
750
|
852
|
990
|
1179
| |
|
| Oxidation states | +2, +1, 0 amphoteric oxide |
|---|
| Electronegativity | Pauling scale: 1.65 |
|---|
| energies |
(more) |
|---|
| Atomic radius | empirical: 134 pm |
|---|
| Covalent radius | 122±4 pm |
|---|
| Van der Waals radius | 139 pm |
|---|
|
| Crystal structure | hexagonal close-packed (hcp) |
|---|
| Speed of sound thin rod | (rolled) 3850 m/s (at r.t.) |
|---|
| Thermal expansion | 30.2 µm/(m·K) (at 25 °C) |
|---|
| Thermal conductivity | 116 W/(m·K) |
|---|
| Electrical resistivity | 59.0 n Ω·m (at 20 °C) |
|---|
| Magnetic ordering | diamagnetic |
|---|
| Young's modulus | 108 GPa |
|---|
| Shear modulus | 43 GPa |
|---|
| Bulk modulus | 70 GPa |
|---|
| Poisson ratio | 0.25 |
|---|
| Mohs hardness | 2.5 |
|---|
| Brinell hardness | 412 MPa |
|---|
| CAS Number | 7440-66-6 |
|---|
|
| ଆବିଷ୍କାର | Indian metallurgists (before 1000 BC) |
|---|
| First isolation | Andreas Sigismund Marggraf (1746) |
|---|
| Recognized as a unique metal by | Rasaratna Samuccaya (800) |
|---|
|
|
|
| | references |
