ବ୍ରୋମିନ

ଉଇକିପିଡ଼ିଆ ରୁ


Bromine
35Br
Cl

Br

I
seleniumbrominekrypton
ଭୌତିକ ରୁପ
gas/liquid: red-brown
solid: metallic luster
ସାଧାରଣ ଧର୍ମ
ନାମ, ପ୍ରତୀକ,
ପରମାଣୁ କ୍ରମାଙ୍କ
bromine, Br,
35
ଉଚ୍ଚାରଣ /ˈbrmn/ broh-meen
or /ˈbrmɪn/ broh-min
ମୌଳିକ ପ୍ରକାର halogen
ଶ୍ରେଣୀ, ପର୍ଯ୍ୟାୟ, ବ୍ଲକ୍ 17 (halogens), 4, p
ମାନକ ପରମାଣବିକ ଓଜନ 79.904(1)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Ar] 4s2 3d10 4p5
2, 8, 18, 7
Electron shells of bromine (2, 8, 18, 7)
ଇତିହାସ
ଆବିଷ୍କାର Antoine Jérôme Balard and Leopold Gmelin (1825)
First isolation Antoine Jérôme Balard and Leopold Gmelin (1825)
ଭୌତିକ ଧର୍ମ
ଅବସ୍ଥା liquid
(ରୁମ୍ ଟେମ୍ପରେଚର୍‌ରେ ଘନତା) (Br2, liquid) 3.1028 g·cm−3
ଗଳନାଙ୍କ 265.8 K, -7.2 °C, 19 °F
ସ୍ଫୁଟନାଙ୍କ 332.0 K, 58.8 °C, 137.8 °F
କ୍ରିଟିକାଲ୍ ପଏଣ୍ଟ 588 K, 10.34 MPa
Heat of fusion (Br2) 10.571 kJ·mol−1
Heat of vaporization (Br2) 29.96 kJ·mol−1
Molar heat capacity (Br2)
75.69 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 185 201 220 244 276 332
Atomic properties
Oxidation states 7, 5, 4, 3, 1, -1
(strongly acidic oxide)
Electronegativity 2.96 (Pauling scale)
Ionization energies 1st: 1139.9 kJ·mol−1
2nd: 2103 kJ·mol−1
3rd: 3470 kJ·mol−1
Atomic radius 120 pm
Covalent radius 120±3 pm
Van der Waals radius 185 pm
Miscellanea
Crystal structure orthorhombic
Magnetic ordering diamagnetic[୧]
Electrical resistivity (20 °C) 7.8×1010Ω·m
Thermal conductivity 0.122 W·m−1·K−1
Speed of sound (20°C) 206 m·s−1
CAS registry number 7726-95-6
Most stable isotopes
Main article: Isotopes of bromine
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
· r

ବ୍ରୋମିନ (ଗ୍ରୀକ: βρῶμος, ବ୍ରୋମୋସ୍ରୁ ଅସିଛି, ମାନେ "ଉତ୍କଟ-ଗନ୍ଧ" ବା "strong-smelling" ବା "stench")[୨] ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Brପରମାଣୁ କ୍ରମାଙ୍କ ୩୫ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଗଠନ[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

  1. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
  2. Turner, Edward (1828). Elements of chemistry: including the recent discoveries and doctrines of the science. ପୃଷ୍ଠା. 467. "The name first applied to it by its discoverer is muride; but it has since been changed to brome..from the Greek βρῶμος signifying a strong or rank odour. This appellation may in the English language be properly converted into that of Bromine." 

ବାହାର ଲିଙ୍କ[ସମ୍ପାଦନା]