ଥାଲିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Thallium,  81Tl
Thallium pieces in ampoule.jpg
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ thallium, Tl
Appearance silvery white
ଉଚ୍ଚାରଣ /ˈθæliəm/
thal-ee-əm
Thallium 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)
In

Tl

Uut
mercurythalliumlead
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) 81
ଶ୍ରେଣୀ, ବ୍ଳକ group 13, p-block
ପର୍ଯ୍ୟାୟ period 6
ମୌଳିକ ପ୍ରକାର   post-transition metal
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar) 204.38(1)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Xe] 4f14 5d10 6s2 6p1
per shell
2, 8, 18, 32, 18, 3
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା solid
ଗଳନାଙ୍କ 577 K ​(304 °C, ​579 °F)
ସ୍ଫୁଟନାଙ୍କ 1746 K ​(1473 °C, ​2683 °F)
Density near r.t. 11.85 g/cm3
when liquid, at m.p. 11.22 g/cm3
Heat of fusion 4.14 kJ/mol
Heat of 165 kJ/mol
Molar heat capacity 26.32 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 882 977 1097 1252 1461 1758
Atomic properties
Oxidation states

3, 2, 1

(mildly basic oxide)
Electronegativity Pauling scale: 1.62
Atomic radius empirical: 170 pm
Covalent radius 145±7 pm
Van der Waals radius 196 pm
Miscellanea
Crystal structure hexagonal close-packed (hcp)
Hexagonal close packed crystal structure for thallium
Speed of sound thin rod 818 m/s (at 20 °C)
Thermal expansion 29.9 µm/(m·K) (at 25 °C)
Thermal conductivity 46.1 W/(m·K)
Electrical resistivity 0.18 µ Ω·m (at 20 °C)
Magnetic ordering diamagnetic[୧]
Young's modulus 8 GPa
Shear modulus 2.8 GPa
Bulk modulus 43 GPa
Poisson ratio 0.45
Mohs hardness 1.2
Brinell hardness 26.4 MPa
CAS Number 7440-28-0
ଇତିହାସ
ଆବିଷ୍କାର William Crookes (1861)
First isolation Claude-Auguste Lamy (1862)
Most stable isotopes of thallium
iso NA half-life DM DE (MeV) DP
203Tl 29.524% 203Tl is stable with 122 neutrons
204Tl syn 3.78 y β 0.764 204Pb
ε 0.347 204Hg
205Tl 70.476% 205Tl is stable with 124 neutrons
| references

ଥାଲିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Tlପରମାଣୁ କ୍ରମାଙ୍କ ୮୧ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଭୌତିକ[ସମ୍ପାଦନା]

ରସାୟନିକ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଗଠନ[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆହୁରି ଦେଖନ୍ତୁ[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

  1. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.

ବାହାର ଲିଙ୍କ[ସମ୍ପାଦନା]