ଡବ୍‌ନିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Dubnium,  105Db
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ dubnium, Db
Appearance unknown
ଉଚ୍ଚାରଣ /ˈdbniəm/
doob-nee-əm
Dubnium 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)
Ta

Db

(Ups)
rutherfordiumdubniumseaborgium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) 105
ଶ୍ରେଣୀ, ବ୍ଳକ group 5, d-block
ପର୍ଯ୍ୟାୟ period 7
ମୌଳିକ ପ୍ରକାର   transition metal
ମାନକ ପରମାଣବିକ ଓଜନ (Ar) [268]
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Rn] 5f14 6d3 7s2
(predicted)[୧]
per shell
2, 8, 18, 32, 32, 11, 2
(predicted)
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା solid (predicted)
Density near r.t. 29 (predicted)[୧] g/cm3
Atomic properties
Oxidation states 5, 4, 3 (predicted)[୧] ​only bolded oxidation states are known experimentally
energies
(more)
Atomic radius empirical: 139 (estimated)[୧] pm
Covalent radius 149 (estimated)[୨] pm
Miscellanea
CAS Number 53850-35-4
ଇତିହାସ
ଆବିଷ୍କାର Joint Institute for Nuclear Research (1968)
Most stable isotopes of dubnium
iso NA half-life DM DE (MeV) DP
262Db syn 34 s[୩][୪] 67% α 8.66,8.45 258Lr
33% SF
263Db syn 27 s[୪] 56% SF
41% α 8.36 259Lr
3% ε 263mRf
266Db syn 22 min[୪] SF
ε 266Rf
267Db syn 1.2 h[୪] SF
268Db syn 29 h[୪] SF
ε 268Rf
270Db syn 23.15 h[୫] SF

only isotopes with half-lives over 5 seconds are included here

| references

ଡବ୍‌ନିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Dbପରମାଣୁ କ୍ରମାଙ୍କ ୧୦୫ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଭୌତିକ[ସମ୍ପାଦନା]

ରସାୟନିକ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ଇତିହାସ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆହୁରି ଦେଖନ୍ତୁ[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

  1. ୧.୦ ୧.୧ ୧.୨ ୧.୩ ଆଧାର ଭୁଲ: ଅଚଳ <ref> ଚିହ୍ନ; Haire ନାମରେ ଥିବା ଆଧାର ଭିତରେ କିଛି ଲେଖା ନାହିଁ ।
  2. Chemical Data. Dubnium - Db, Royal Chemical Society
  3. Münzenberg, G.; Gupta, M. (2011). "Production and Identification of Transactinide Elements". p. 877. doi:10.1007/978-1-4419-0720-2_19. 
  4. ୪.୦ ୪.୧ ୪.୨ ୪.୩ ୪.୪ Six New Isotopes of the Superheavy Elements Discovered. Berkeley Lab. News center. October 26, 2010
  5. Oganessian, Yu. Ts.; Abdullin, F. Sh.; Bailey, P. D.; Benker, D. E.; Bennett, M. E.; Dmitriev, S. N.; Ezold, J. G.; Hamilton, J. H. et al. (2010). "Synthesis of a New Element with Atomic Number Z=117". Physical Review Letters 104. Bibcode:2010PhRvL.104n2502O. doi:10.1103/PhysRevLett.104.142502. PMID 20481935. 

ବାହାର ଲିଙ୍କ[ସମ୍ପାଦନା]