|
|
ନାମ, ପ୍ରତୀକ | antimony, Sb |
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Appearance | silvery lustrous gray |
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ଉଚ୍ଚାରଣ | AN-ti-mə-nee; AN-ti-moh-nee |
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|
|
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) | 51 |
---|
ଶ୍ରେଣୀ, ବ୍ଳକ | group 15 (pnictogens), p-block |
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ପର୍ଯ୍ୟାୟ | period 5 |
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ମୌଳିକ ପ୍ରକାର | metalloid |
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ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar) | 121.760(1) |
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ଇଲେକ୍ଟ୍ରୋନ୍ ବିନ୍ୟାସ | [Kr] 4d10 5s2 5p3 |
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per shell | 2, 8, 18, 18, 5 |
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|
ଅବସ୍ଥା | solid |
---|
ଗଳନାଙ୍କ | 903.78 K (630.63 °C, 1167.13 °F) |
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ସ୍ଫୁଟନାଙ୍କ | 1860 K (1587 °C, 2889 °F) |
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Density near r.t. | 6.697 g/cm3 |
---|
when liquid, at m.p. | 6.53 g/cm3 |
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Heat of fusion | 19.79 kJ/mol |
---|
Heat of | 193.43 kJ/mol |
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Molar heat capacity | 25.23 J/(mol·K) |
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pressure
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
at T (K)
|
807
|
876
|
1011
|
1219
|
1491
|
1858
| |
|
Oxidation states | 5, 3, -3 |
---|
Electronegativity | Pauling scale: 2.05 |
---|
energies | (more) |
---|
Atomic radius | empirical: 140 pm |
---|
Covalent radius | 139±5 pm |
---|
Van der Waals radius | 206 pm |
---|
|
Crystal structure | trigonal |
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Speed of sound thin rod | 3420 m/s (at 20 °C) |
---|
Thermal expansion | 11 µm/(m·K) (at 25 °C) |
---|
Thermal conductivity | 24.4 W/(m·K) |
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Electrical resistivity | 417 n Ω·m (at 20 °C) |
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Magnetic ordering | diamagnetic[୧] |
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Young's modulus | 55 GPa |
---|
Shear modulus | 20 GPa |
---|
Bulk modulus | 42 GPa |
---|
Mohs hardness | 3.0 |
---|
Brinell hardness | 294 MPa |
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CAS Number | 7440-36-0 |
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|
ଆବିଷ୍କାର | 3000 BC |
---|
First isolation | Vannoccio Biringuccio (1540) |
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|
|
| references |