ବ୍ୟାରିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
(Barium ରୁ ଲେଉଟି ଆସିଛି)
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Barium,  56Ba
Barium unter Argon Schutzgas Atmosphäre.jpg
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକbarium, Ba
Appearancesilvery gray
ଉଚ୍ଚାରଣ /ˈbɛəriəm/ BAIR-ee-əm
Barium in the periodic table
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Sr

Ba

Ra
caesiumbariumlanthanum
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)56
ଶ୍ରେଣୀ, ବ୍ଳକgroup 2 (alkaline earth metals), s-block
ପର୍ଯ୍ୟାୟperiod 6
ମୌଳିକ ପ୍ରକାର  alkaline earth metals
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)137.327
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Xe] 6s2
per shell
2, 8, 18, 18, 8, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid
ଗଳନାଙ୍କ1000 K ​(727 °C, ​1341 °F)
ସ୍ଫୁଟନାଙ୍କ2170 K ​(1897 °C, ​3447 °F)
Density near r.t.3.51 g/cm3
when liquid, at m.p.3.338 g/cm3
Heat of fusion7.12 kJ/mol
Heat of 140.3 kJ/mol
Molar heat capacity28.07 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 911 1038 1185 1388 1686 2170
Atomic properties
Oxidation states+2 ​strongly basic oxide
ElectronegativityPauling scale: 0.89
Atomic radiusempirical: 222 pm
Covalent radius215±11 pm
Van der Waals radius268 pm
Miscellanea
Crystal structurebody-centered cubic (bcc)
Body-centered cubic crystal structure for barium
Speed of sound thin rod1620 m/s (at 20 °C)
Thermal expansion20.6 µm/(m·K) (at 25 °C)
Thermal conductivity18.4 W/(m·K)
Electrical resistivity332 n Ω·m (at 20 °C)
Magnetic orderingparamagnetic
Young's modulus13 GPa
Shear modulus4.9 GPa
Bulk modulus9.6 GPa
Mohs hardness1.25
CAS Number7440-39-3
ଇତିହାସ
ଆବିଷ୍କାରCarl Wilhelm Scheele (1772)
First isolationHumphry Davy (1808)
Most stable isotopes of barium
iso NA half-life DM DE (MeV) DP
130Ba 0.106% (0.5–2.7)×1021 y εε 2.620 130Xe
132Ba 0.101% >3×1020 y β+β+ 0.846 132Xe
133Ba syn 10.51 y ε 0.517 133Cs
134Ba 2.417% 134Ba is stable with 78 neutrons
135Ba 6.592% 135Ba is stable with 79 neutrons
136Ba 7.854% 136Ba is stable with 80 neutrons
137Ba 11.23% 137Ba is stable with 81 neutrons
138Ba 71.7% 138Ba is stable with 82 neutrons
| references

ବ୍ୟାରିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Baପରମାଣୁ କ୍ରମାଙ୍କ ୫୬ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଗଠନ[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

ସହାୟକ ଗ୍ରନ୍ଥ[ସମ୍ପାଦନା]

  • Kresse, Robert; Baudis, Ulrich; Jäger, Paul; Riechers, H. Hermann; Wagner, Heinz; Winkler, Jocher; Wolf, Hans Uwe (2007). "Barium and Barium Compounds". In Ullman, Franz. Ullmann's Encyclopedia of Industrial Chemistry. Wiley-VCH. doi:10.1002/14356007.a03_325.pub2.CS1 maint: Multiple names: authors list (link)
  • Lide, D. R. (2004). CRC Handbook of Chemistry and Physics (84th ed.). Boca Raton (FL): CRC Press. ISBN 978-0-8493-0484-2.

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