ନିକେଲ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Ni ଓ ପରମାଣୁ କ୍ରମାଙ୍କ ୨୮ ।
Quick facts ସାଧାରଣ ଗୁଣ, ନାମ, ପ୍ରତୀକ ...
Nickel, 28Ni |
|
ନାମ, ପ୍ରତୀକ | nickel, Ni |
---|
Appearance | lustrous, metallic, and silver with a gold tinge |
---|
ଉଚ୍ଚାରଣ | NIK-əl |
---|
|
|
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) | 28 |
---|
ଶ୍ରେଣୀ, ବ୍ଳକ | group 10, d-block |
---|
ପର୍ଯ୍ୟାୟ | period 4 |
---|
ମୌଳିକ ପ୍ରକାର | transition metal |
---|
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar) | 58.6934(4)(2) |
---|
ଇଲେକ୍ଟ୍ରୋନ୍ ବିନ୍ୟାସ | [Ar] 4s2 3d8 or [Ar] 4s1 3d9 (see text) |
---|
per shell | 2, 8, 16, 2 or 2, 8, 17, 1 |
---|
|
ଅବସ୍ଥା | solid |
---|
ଗଳନାଙ୍କ | 1728 K (1455 °C, 2651 °F) |
---|
ସ୍ଫୁଟନାଙ୍କ | 3186 K (2913 °C, 5275 °F) |
---|
Density near r.t. | 8.908 g/cm3 |
---|
when liquid, at m.p. | 7.81 g/cm3 |
---|
Heat of fusion | 17.48 kJ/mol |
---|
Heat of | 377.5 kJ/mol |
---|
Molar heat capacity | 26.07 J/(mol·K) |
---|
pressure
P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
at T (K) |
1783 |
1950 |
2154 |
2410 |
2741 |
3184 |
|
|
Oxidation states | 4[୧], 3, 2, 1[୨], -1 mildly basic oxide |
---|
Electronegativity | Pauling scale: 1.91 |
---|
energies | (more) |
---|
Atomic radius | empirical: 124 pm |
---|
Covalent radius | 124±4 pm |
---|
Van der Waals radius | 163 pm |
---|
|
Crystal structure | face-centered cubic (fcc) |
---|
Speed of sound thin rod | 4900 m/s (at r.t.) |
---|
Thermal expansion | 13.4 µm/(m·K) (at 25 °C) |
---|
Thermal conductivity | 90.9 W/(m·K) |
---|
Electrical resistivity | 69.3 n Ω·m (at 20 °C) |
---|
Magnetic ordering | ferromagnetic |
---|
Young's modulus | 200 GPa |
---|
Shear modulus | 76 GPa |
---|
Bulk modulus | 180 GPa |
---|
Poisson ratio | 0.31 |
---|
Mohs hardness | 4.0 |
---|
Vickers hardness | 638 MPa |
---|
Brinell hardness | 700 MPa |
---|
CAS Number | 7440-02-0 |
---|
|
ଆବିଷ୍କାର | Axel Fredrik Cronstedt (1751) |
---|
First isolation | Axel Fredrik Cronstedt (1751) |
---|
|
iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
58Ni |
68.077% |
>7×1020 y |
β+β+ |
1.9258 |
58Fe |
59Ni |
trace |
7.6×104 y |
ε |
- |
59Co |
60Ni |
26.223% |
60Ni is stable with 32 neutrons |
61Ni |
1.14% |
61Ni is stable with 33 neutrons |
62Ni |
3.634% |
62Ni is stable with 34 neutrons |
63Ni |
syn |
100.1 y |
β− |
0.0669 |
63Cu |
64Ni |
0.926% |
64Ni is stable with 36 neutrons |
|
| references |
Close