ବ୍ରୋମିନ (ଗ୍ରୀକ: [βρῶμος, ବ୍ରୋମୋସ୍] Error: {{Lang}}: text has italic markup (help)ରୁ ଅସିଛି,ମାନେ "ଉତ୍କଟ-ଗନ୍ଧ" ବା "strong-smelling" ବା "stench")[୨] ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Br ଓ ପରମାଣୁ କ୍ରମାଙ୍କ ୩୫ ।
Quick facts ସାଧାରଣ ଗୁଣ, ନାମ, ପ୍ରତୀକ ...
Bromine, 35Br |
|
| ନାମ, ପ୍ରତୀକ | bromine, Br |
|---|
| Appearance | gas/liquid: red-brown
solid: metallic luster |
|---|
| ଉଚ୍ଚାରଣ | BROH-meen
or BROH-min |
|---|
|
|
|
| ପରମାଣୁ କ୍ରମାଙ୍କ (Z) | 35 |
|---|
| ଶ୍ରେଣୀ, ବ୍ଳକ | group 17 (halogens), p-block |
|---|
| ପର୍ଯ୍ୟାୟ | period 4 |
|---|
| ମୌଳିକ ପ୍ରକାର | halogen |
|---|
| ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar) | 79.904(1) |
|---|
| ଇଲେକ୍ଟ୍ରୋନ୍ ବିନ୍ୟାସ | [Ar] 4s2 3d10 4p5 |
|---|
per shell | 2, 8, 18, 7 |
|---|
|
| ଅବସ୍ଥା | liquid |
|---|
| ଗଳନାଙ୍କ | 265.8 K (-7.2 °C, 19 °F) |
|---|
| ସ୍ଫୁଟନାଙ୍କ | 332.0 K (58.8 °C, 137.8 °F) |
|---|
| Density near r.t. | (Br2, liquid) 3.1028 g/cm3 |
|---|
| Critical point | 588 K, 10.34 MPa |
|---|
| Heat of fusion | (Br2) 10.571 kJ/mol |
|---|
| Heat of | (Br2) 29.96 kJ/mol |
|---|
| Molar heat capacity | (Br2)
75.69 J/(mol·K) |
|---|
pressure
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| at T (K) |
185 |
201 |
220 |
244 |
276 |
332 |
|
|
| Oxidation states | 7, 5, 4, 3, 1, -1
(strongly acidic oxide) |
|---|
| Electronegativity | Pauling scale: 2.96 |
|---|
| Atomic radius | empirical: 120 pm |
|---|
| Covalent radius | 120±3 pm |
|---|
| Van der Waals radius | 185 pm |
|---|
|
| Crystal structure | orthorhombic |
|---|
| Speed of sound | (20°C) 206 m/s |
|---|
| Thermal conductivity | 0.122 W/(m·K) |
|---|
| Electrical resistivity | 7.8×1010 Ω·m (at 20 °C) |
|---|
| Magnetic ordering | diamagnetic[୧] |
|---|
| CAS Number | 7726-95-6 |
|---|
|
| ଆବିଷ୍କାର | Antoine Jérôme Balard and Leopold Gmelin (1825) |
|---|
| First isolation | Antoine Jérôme Balard and Leopold Gmelin (1825) |
|---|
|
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 79Br |
50.69% |
79Br is stable with 44 neutrons |
| 81Br |
49.31% |
81Br is stable with 46 neutrons |
|
| | references |
Close
