ଟର୍ବିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Terbium,  65Tb
Terbium-2.jpg
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ terbium, Tb
Appearance silvery white
ଉଚ୍ଚାରଣ /ˈtɜrbiəm/ tur-bee-əm
Terbium 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)
-

Tb

Bk
gadoliniumterbiumdysprosium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) 65
ଶ୍ରେଣୀ, ବ୍ଳକ group n/a, f-block
ପର୍ଯ୍ୟାୟ period 6
ମୌଳିକ ପ୍ରକାର   lanthanide
ମାନକ ପରମାଣବିକ ଓଜନ (Ar) 158.92535
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Xe] 4f9 6s2
per shell
2, 8, 18, 27, 8, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା solid
ଗଳନାଙ୍କ 1629 K ​(1356 °C, ​2473 °F)
ସ୍ଫୁଟନାଙ୍କ 3503 K ​(3230 °C, ​5846 °F)
Density near r.t. 8.23 g/cm3
when liquid, at m.p. 7.65 g/cm3
Heat of fusion 10.15 kJ/mol
Heat of 293 kJ/mol
Molar heat capacity 28.91 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1789 1979 (2201) (2505) (2913) (3491)
Atomic properties
Oxidation states 4, 3, 2, 1
(weakly basic oxide)
Electronegativity Pauling scale: ? 1.2
Atomic radius empirical: 177 pm
Covalent radius 194±5 pm
Miscellanea
Crystal structure hexagonal close-packed (hcp)
Hexagonal close packed crystal structure for terbium
Speed of sound thin rod 2620 m/s (at 20 °C)
Thermal expansion (r.t.) (α, poly) 10.3 µm/(m·K)
Thermal conductivity 11.1 W/(m·K)
Electrical resistivity (r.t.) (α, poly) 1.150 µ Ω·m
Magnetic ordering paramagnetic at 300 K
Young's modulus (α form) 55.7 GPa
Shear modulus (α form) 22.1 GPa
Bulk modulus (α form) 38.7 GPa
Poisson ratio (α form) 0.261
Vickers hardness 863 MPa
Brinell hardness 677 MPa
CAS Number 7440-27-9
ଇତିହାସ
ଆବିଷ୍କାର Carl Gustaf Mosander (1842)
First isolation Carl Gustaf Mosander (1842)
Most stable isotopes of terbium
iso NA half-life DM DE (MeV) DP
157Tb syn 71 y ε 0.060 157Gd
158Tb syn 180 y ε 1.220 158Gd
β 0.937 158Dy
159Tb 100% 159Tb is stable with 94 neutrons
| references

ଟର୍ବିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Tbପରମାଣୁ କ୍ରମାଙ୍କ ୬୫ ଅଟେ ।

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